Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction
by

1 Answer

Answer :

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate ... SO_(2)` D. `SO_(2) and O_(3)`
by
selected by

Related questions

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Description : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Last Answer : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead ... )Orarr` D. `SO_(2)+H_(2)O_(2)rarr`

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Description : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Last Answer : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate ... 2)` C. `H_(2)S` D. `SO_(3)`

A gas has smell like rotten egg and turns lead acetate paper black. The gas is :

Description : A gas has smell like rotten egg and turns lead acetate paper black. The gas is :

Last Answer : A gas has smell like rotten egg and turns lead acetate paper black. The gas is : A. `NO_(2)` B. `H_(2)S` C. `CO_(2)` D. `SO_(2)`

Which of the following turns lead acetate paper black?

Description : Which of the following turns lead acetate paper black?

Last Answer : Which of the following turns lead acetate paper black? A. `SO_(2)` B. `SO_(3)` C. `H_(2)S` D. `H_(2)SO_(4)`

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Description : If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Last Answer : ANS: A

Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate paper black and B evolved a gas w

Description : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate paper black and B evolved a gas w

Last Answer : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate ... ` D. `S^(2-), NO_(3)^(-)`

`H_(2)S` reacts with lead acetate forming black compound which reacts with `O_(3)` to form another compound Y. The colour of the compound Y is:

Description : `H_(2)S` reacts with lead acetate forming black compound which reacts with `O_(3)` to form another compound Y. The colour of the compound Y is:

Last Answer : `H_(2)S` reacts with lead acetate forming black compound which reacts with `O_(3)` to form another compound ... : A. black B. violet C. white D. green

Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other to give ethyl acetate. The A and B are

Description : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other to give ethyl acetate. The A and B are

Last Answer : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other ... (3)OH` D. `CH_(3)COOH " and " HCOOH`

Which of the properties listed below would you expect a solution to have if it is an acid? w) It feels slippery to the touch. x) It tastes bitter. y) It turns red litmus blue. z) It is a conductor of electricity.

Description : Which of the properties listed below would you expect a solution to have if it is an acid? w) It feels slippery to the touch. x) It tastes bitter. y) It turns red litmus blue. z) It is a conductor of electricity.

Last Answer : ANSWER: Z -- IT IS A CONDUCTOR OF ELECTRICITY.

Do magnets rust or react with water in any other unpleasant way?

Description : Do magnets rust or react with water in any other unpleasant way?

Last Answer : no, don’t think so.

Dry ammonia gas has no action on litmus paper but a solution of ammonia in water turns litmus paper color. Why?

Description : Dry ammonia gas has no action on litmus paper but a solution of ammonia in water turns litmus paper color. Why?

Last Answer : Answer. A solution of ammonia in water produces OH– ions which make the solution basic and turn red litmus paper blue.

Photographic plates are covered with black paper because (a) the cellulose acetate of the paper must remain fresh (b) sunlight is easily absorbed by black paper and it helps develop the film (c) the silver bromide present on the plate is very sensitive to light and black paper prevents contact with light (d) the conversion of silver bromide to metallic silver is essential

Description : Photographic plates are covered with black paper because (a) the cellulose acetate of the paper must remain fresh (b) sunlight is easily absorbed by black paper and it helps develop the film ... paper prevents contact with light (d) the conversion of silver bromide to metallic silver is essential

Last Answer : Ans:(c)

Gas (B) on passing through cadmium acetate solution will give :

Description : Gas (B) on passing through cadmium acetate solution will give :

Last Answer : Gas (B) on passing through cadmium acetate solution will give : A. Black ppt B. Yellow ppt C. Orange ppt D. White ppt

Unpleasant odours and taste in a fat (rancidity) can be delayed or prevented by the addition of (A) Lead (B) Copper (C) Tocopherol (D) Ergosterol

Description : Unpleasant odours and taste in a fat (rancidity) can be delayed or prevented by the addition of (A) Lead (B) Copper (C) Tocopherol (D) Ergosterol

Last Answer : Answer : C

Lead acetate test in sewer manhole is done to test the presence of A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours

Description : Lead acetate test in sewer manhole is done to test the presence of A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours

Last Answer : ANS: B

What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium

Description : What substance was used as a moderator for the chain reaction in the first nuclear reactor? w) graphite x) boron y) water z) cadmium

Last Answer : ANSWER: W -- GRAPHITE

Blue Litmus Paper turns _______ on contact with an acidic solution

Description : Blue Litmus Paper turns _______ on contact with an acidic solution

Last Answer : Red

Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Description : Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Last Answer : ANSWER: Y -- ACTION OF WATER ON OXIDES OF NONMETALS. (If water reacts with oxides of nonmetals, an acid is formed.)

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Description : In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. (A) Viscose rayon (B) Acrylic (C) Polyvinyl acetate (D) Saturated polyeste

Last Answer : (D) Saturated polyeste

Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Description : Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Last Answer : Formaldehyde

A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Description : A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side, its resistance as measured on the low side would be: w) 25 ohms x) 50 ohms y) 100 ohms z) 400 ohms

Last Answer : ANSWER: W -- 25 OHMS

Which one of the following is largest? w) the number of molecules in 2 grams of hydrogen gas x) the number of molecules in 60 grams of lead sulfate y) the number of molecules in 20 liters of oxygen gas at standard temperature and pressure z) the population of the United States

Description : Which one of the following is largest? w) the number of molecules in 2 grams of hydrogen gas x) the number of molecules in 60 grams of lead sulfate y) the number of molecules in 20 liters of oxygen gas at standard temperature and pressure z) the population of the United States

Last Answer : ANSWER: A - THE NUMBER OF MOLECULES IN 2 GRAMS OF HYDROGEN GAS  

Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Description : Give the term that describes different crystalline modifications of the same chemical substance. Is it: w) polymorphism x) isomorphism y) tetrahedral z) perovskite

Last Answer : ANSWER: W -- POLYMORPHISM

Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2 B. Which of the following statements concerning this reaction are incorrect? -Chemistry 9th

Description : Two substances, A and B were made to react to form a third substance, A2B according to the following reaction 2A + B → A2 B. Which of the following statements concerning this reaction are incorrect? -Chemistry 9th

Last Answer : (c) (i), (iii), (iv) Consider the example of H2O

What is the Formula of the colored precipitate obtained in the sulfur test or lead acetate test?

Description : What is the Formula of the colored precipitate obtained in the sulfur test or lead acetate test?

Last Answer : What is the answer ?

What is the balanced chemical equation for lead II acetate and sodium sulphate?

Description : What is the balanced chemical equation for lead II acetate and sodium sulphate?

Last Answer : The chemical equation is:Pb(CH3COO)2 + Na2SO4 = 2 CH3COONa + PbSO4(s)Lead sulfate is a precipitate.

What is the molar mass of : (a) lead acetate, Pb(CH3 COO)2?

Description : What is the molar mass of : (a) lead acetate, Pb(CH3 COO)2?

Last Answer : also known as lead acetate, lead diacetate, plumbous acetate, sugar of lead, lead sugar, salt of Saturn, or Goulard's powder, is a white crystalline chemical compound with a sweet taste. It is made by treating lead(II) oxide with acetic acid.

Thiol group of cysteine gives red colour with (A) Sodium acetate (B) Lead acetate (C) Sodium nitroprusside (D) Barfoed’s reagent

Description : Thiol group of cysteine gives red colour with (A) Sodium acetate (B) Lead acetate (C) Sodium nitroprusside (D) Barfoed’s reagent

Last Answer : Answer : C

Guanidine group of argentine gives positive test with (A) Lead acetate (B) Sakaguchi reagent (C) Tricholoroacetic acid (D) Molisch’s reagent

Description : Guanidine group of argentine gives positive test with (A) Lead acetate (B) Sakaguchi reagent (C) Tricholoroacetic acid (D) Molisch’s reagent

Last Answer : Answer : B

Which of the following compounds is used as an antiknock compound? (a) Ethyllithium (b) Tetraethyllead (c) Ethyl acetate (d) Lead acetate

Description : Which of the following compounds is used as an antiknock compound? (a) Ethyllithium (b) Tetraethyllead (c) Ethyl acetate (d) Lead acetate

Last Answer : Tetraethyllead

The commonly used drying oil for oil paints, is (A) Olive oil (B) Linseed oil (C) Kerosene oil (D) Acetate of lead

Description : The commonly used drying oil for oil paints, is (A) Olive oil (B) Linseed oil (C) Kerosene oil (D) Acetate of lead

Last Answer : Answer: Option D

Immiscible liquids: w) are not mutually soluble x) dissolve in each other y) dissolve in more than one liquid z) are unstable and chemically react e) do not exist

Description : Immiscible liquids: w) are not mutually soluble x) dissolve in each other y) dissolve in more than one liquid z) are unstable and chemically react e) do not exist

Last Answer : ANSWER: W -- ARE NOT MUTUALLY SOLUBLE

Acids react with bases to form which of the following? Do they form: w) salt and acidic anhydride x) water and basic anhydride y) basic anhydride and salt z) salt and water

Description : Acids react with bases to form which of the following? Do they form: w) salt and acidic anhydride x) water and basic anhydride y) basic anhydride and salt z) salt and water

Last Answer : ANSWER: D -- SALT AND WATER

When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on treating With slaked time forms "Z". When Red litm

Description : When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on treating With slaked time forms "Z". When Red litm

Last Answer : When `F_2` is passed into a solution of mineral acid X, a greenish yellow gas Y is formed. Which on ... (C) White in colour D. (D) None of these

A green coloured solid compound ̳X‘, gets oxidized to reddish brown solid in presence of air. ̳X‘ on heating gives brown coloured solid ̳Y‘ and two pungent smelling gases ̳A‘ and ̳B‘. ̳A‘ turns acidified potassium dichromate solution green. Name ̳X‘, ̳Y‘, ̳A‘ , ̳B‘ and type of Reaction. (a) CuSO 4 , CuO, SO 2 , SO 3 , decomposition (b) FeSO 4 , Fe, SO 2 , SO 3 , decomposition (c) FeSO 4 , Fe 2 O 3, SO 2 , SO 3 , decomposition (d) FeSO 4 , Fe 2 O 3 , SO 3 , SO 2 , decomposition

Description : A green coloured solid compound ̳X , gets oxidized to reddish brown solid in presence of air. ̳X on heating gives brown coloured solid ̳Y and two pungent smelling gases ̳A and ̳B . ̳A turns acidified potassium ... , SO 3 , decomposition (d) FeSO 4 , Fe 2 O 3 , SO 3 , SO 2 , decomposition

Last Answer : (c) FeSO 4 , Fe 2 O 3, SO 2 , SO 3 , decomposition

In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Description : In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament ... is used for __________ fibres. (A) Polythene (B) PVC (C) Rayon (D) Polyvinyl acetate

Last Answer : (B) PVC

Balance salt solution (BSS) used in cataract surgery contains: a. mannitol b. calcium chloride c. magnesium chloride d. acetate

Description : Balance salt solution (BSS) used in cataract surgery contains: a. mannitol b. calcium chloride c. magnesium chloride d. acetate

Last Answer : acetate

Componds `(A)` and `B` are treated with dilute `HCl` separately. The gases liberated are `Y` and `Z` respectively. `Y` turns acidified `K_2 Cr_2 O_7`

Description : Componds `(A)` and `B` are treated with dilute `HCl` separately. The gases liberated are `Y` and `Z` respectively. `Y` turns acidified `K_2 Cr_2 O_7`

Last Answer : Componds `(A)` and `B` are treated with dilute `HCl` separately. The gases liberated are `Y` and `Z` ... )SO_(4)` D. `NaC1 and Na_(2)CO_(3)`

How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Description : How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor  land?  a. He ascends to the cold air layer above  b. He continues to fly at the same altitude  c. He turns back before the aircraft loses maneuverability  d. He descends to the warm air layer below

Last Answer : c. He turns back before the aircraft loses maneuverability 

How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Description : How does a pilot react to heavy freezing rain at 2,000ft/AGL, when he is unable to deice nor land? a. He ascends to the cold air layer above b. He continues to fly at the same altitude c. He turns back before the aircraft loses maneuverability d. He descends to the warm air layer below

Last Answer : c. He turns back before the aircraft loses maneuverability

(i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) (ii) A(dry)`+O_(3)rarrX+O_(2)` What is true about X in t

Description : (i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) (ii) A(dry)`+O_(3)rarrX+O_(2)` What is true about X in t

Last Answer : (i) `KI+H_(2)O+O_(3)rarrA+B+O_(2)` (A turns moist starch paper blue, B turns red litmus blue) ... )` D. Average oxidation state of iodine in X is `+5`

A solution of a substance ‘X’ is used for white washing. (i) Name the substance ‘X’ and write its formula. (ii) Write the reaction of the substance ‘X’ named in (i) above with water. -Chemistry-10

Description : A solution of a substance ‘X’ is used for white washing. (i) Name the substance ‘X’ and write its formula. (ii) Write the reaction of the substance ‘X’ named in (i) above with water. -Chemistry-10

Last Answer : (i) The substance whose solution in water is used for white washing is calcium oxide (or quick lime). Its formula is CaO.

A gas turns lime water milky and acidified `K_(2)Cr_(2)O_(7)` solution green then gas is :

Description : A gas turns lime water milky and acidified `K_(2)Cr_(2)O_(7)` solution green then gas is :

Last Answer : A gas turns lime water milky and acidified `K_(2)Cr_(2)O_(7)` solution green then gas is : A. `HCl` B. `H_(2)S` C. `SO_(2)` D. `CO_(2)`

One property of ammonia is – (1) It is insoluble in water (2) it is a odourless gas (3) It is a yellowish gas (4) Its aqueous solution turns red litmus blue

Description : One property of ammonia is – (1) It is insoluble in water (2) it is a odourless gas (3) It is a yellowish gas (4) Its aqueous solution turns red litmus blue

Last Answer : (4) Its aqueous solution turns red litmus blue Explanation: The main use of litmus is to test whether a solution is acidic or basic. For instance, ammonia gas, which is alkaline, colours the red litmus paper blue.

An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test tube becomes slightly warm c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Last Answer : a) Green solution slowly turns brown

One property of ammonia is (1) It is insoluble in water (2) It is a odourless gas (3) It is a yellowish gas (4) Its aqueous solution turns red litmus blue

Description : One property of ammonia is (1) It is insoluble in water (2) It is a odourless gas (3) It is a yellowish gas (4) Its aqueous solution turns red litmus blue

Last Answer :  Its aqueous solution turns red litmus blue

Which gas is mixed with propane to detect its odour?

Description : Which gas is mixed with propane to detect its odour?

Last Answer : Propane is odor less. So the gas that is mixed with propane to detect odor is ethyl mercaptan. When mercaptan is mixed with propane gives a distinctive "rotten egg" smell.

Which of the following processes is not an example of adsorption applied to gaseous separations? (A) Recovery of valuable solvent vapors from dilute mixture with air and other gases (B) Dehumidification of air and gas (C) Removal of objectionable odour and impurities from industrial gases (D) Decolouration of yellow glycerine

Description : Which of the following processes is not an example of adsorption applied to gaseous separations? (A) Recovery of valuable solvent vapors from dilute mixture with air and ... Removal of objectionable odour and impurities from industrial gases (D) Decolouration of yellow glycerine

Last Answer : (D) Decolouration of yellow glycerine

A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound ‘Y’. ‘X’ also reacts with sodium metal to evolve a colourless gas ‘Z’. Identify ‘X’, ‘Y’ and ‘Z’. Write the equation of the chemical reaction of formation of ‘Y’ and also write the role of sulphuric acid in the reaction. -Science

Description : A compound X' on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound Y'. X' also reacts with sodium metal to evolve a colourless gas Z'. Identify X', Y' ... the chemical reaction of formation of Y' and also write the role of sulphuric acid in the reaction. -Science

Last Answer : X-Ethanol/ (C2H5OH)/Ethyl AlcoholY- Ethene / (C2H4)Z- Hydrogen/ (H2)Role of sulphuric acid - dehydrating agent

The equilibrium constant for the gas phase reactio A + B = C + D is 10-3. The rate of the forward reaction is 10-11 cubic centimeters per molecule per second. What is the rate constant of the reverse reaction? w) 10 cubic centimeters per molecule per second x) 10-8 cubic centimeters per molecule per second y) 10-10 cubic centimeters per molecule per second z) 10-14 cubic centimeters per molecule per second

Description : The equilibrium constant for the gas phase reactio A + B = C + D is 10-3. The rate of the forward reaction is 10-11 cubic centimeters per molecule per second. What is the rate constant of ... second y) 10-10 cubic centimeters per molecule per second z) 10-14 cubic centimeters per molecule per second

Last Answer : ANSWER: Z -- 10-14 CUBIC CENTIMETERS PER MOLECULE PER SECOND