CO2 is passed into concentrated solution of NaCl, which is saturated with NH3.

CO2 is passed into concentrated solution of NaCl, which is saturated with NH3.
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Write balanced chemical equations : CO2 is passed into concentrated solution of NaCl, which is saturated with NH3.
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Why solid NaCl starts separating out from a saturated solution of NaCl if HCl gas is passed through it?

Description : Why solid NaCl starts separating out from a saturated solution of NaCl if HCl gas is passed through it?

Last Answer : Ans. HCl in the solution provides Clions. This increases the ionic product in NaCl and so the solid NaCl starts separating out.

What happens HCl gas passed through saturated NaCl solution?

Description : What happens HCl gas passed through saturated NaCl solution?

Last Answer : Ans. NaCl will be precipitated out.

Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first compartment (C) Oxidation of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

Description : Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for (A) Conversion of CO into CO2 in the second compartment (B) Conversion of NOx into N2 and NH3 in the first ... of unburnt hydrocarbon fuel in the second compartment (D) All (A), (B) and (C)

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Which of the following pairs of compounds could NOT be used to create a buffer solution? Would it be: w) HCL and NaCl (read: H - C - L and N - A - C - L) x) HCN and NaCN (read: H - C - N and N - A - C - N) y) NH3 and NH4Cl (read: N - H - 3 and N - H - 4 - C - L) z) HNO2 and NaNO2 (read: H - N - O -2 and N - A - N - O - 2)

Description : Which of the following pairs of compounds could NOT be used to create a buffer solution? Would it be: w) HCL and NaCl (read: H - C - L and N - A - C - L) x) HCN and NaCN (read: H - C - N and N - A - C - N) y) NH3 ... - H - 4 - C - L) z) HNO2 and NaNO2 (read: H - N - O -2 and N - A - N - O - 2)

Last Answer : ANSWER: W -- HCL AND NaCl (read: H - C - L and N - A - C - L) 

Which of the following may be viewed as a catalyst in the manufacturesoda ash by Solvay process?(A) NH3(B) NaCl(C) CaO(D) Coke

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A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Description : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Last Answer : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate ... (D) X = `H_2`, Y = `Cl_2 `

A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Description : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Last Answer : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives ... ` D. `X=H_(2), Y=Cl_(2)`

concentrated sulphuric acid on reaction with NaCl, NaBr and Nal produces HCl, bromine and iodine respectively. What order of oxidising ability of halo

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. Shift conversion reaction (A) Converts N2 and H2 into NH3 (B) Converts CO to CO2 with steam (C) Is non-catalytic (D) Is highly exothermic

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The most commonly used chemicals in the artificial rainmaking or cloud seeding are (1) Silver Iodide (AgI) (2) Sodium Chloride (NaCl) (3) Dry Ice (Frozen CO2) (4) All of the above

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Last Answer : (1) Silver Iodide (AgI) Explanation: Cloud seeding, a form of intentional weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing ... common chemicals used for cloud seeding include silver iodide and dry ice (solid carbon dioxide).

What is the symbol for salt? a. NaCl c. H2O b. C6H12C6 d. CO2

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Last Answer : a. NaCl

Which of the following pairs of substances illustrate the law of multiple proportions? [CPMT 1972, 78] (A) CO and CO2 (B) H2O and D2O (C) NaCl and NaBr (D) MgO and Mg(OH)2

Description : Which of the following pairs of substances illustrate the law of multiple proportions? [CPMT 1972, 78] (A) CO and CO2 (B) H2O and D2O (C) NaCl and NaBr (D) MgO and Mg(OH)2

Last Answer : (A) CO and CO2

The most commonly used chemicals in the artificial rainmaking or cloud seeding are (1) Silver Iodide (Ag I) (2) Sodium Chloride (NaCl) (3) Dry Ice (Frozen CO2 ) (4) All of the above

Description : The most commonly used chemicals in the artificial rainmaking or cloud seeding are (1) Silver Iodide (Ag I) (2) Sodium Chloride (NaCl) (3) Dry Ice (Frozen CO2 ) (4) All of the above

Last Answer : Silver Iodide (Ag I) 

What is observed (i) When a beam of light is pressed through a colloidal sol (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. (iii) Electric current is passed through colloidal sol.

Description : What is observed (i) When a beam of light is pressed through a colloidal sol (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. (iii) Electric current is passed through colloidal sol.

Last Answer : Ans.: (i) Tyndal Effect (iv) Coagulation (v) Electrophoresis

Biotin is required for the reaction of CO2 with (A) Water (B) Acetyl CoA (C) NH3 (D) Incorporation of carbon 6 in purine

Description : Biotin is required for the reaction of CO2 with (A) Water (B) Acetyl CoA (C) NH3 (D) Incorporation of carbon 6 in purine

Last Answer : Answer : B

Along with CO2, NH3 and ATP, the amino acid that is needed in urea cycle is (A) Alanine (B) Isoleucine (C) Aspartate (D) Glycine

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Last Answer : Answer : C

Which of the following refrigerants has lowest freezing point (a) Freon-12 (b) NH3 (c) CO2 (d) Freon-22

Description : Which of the following refrigerants has lowest freezing point (a) Freon-12 (b) NH3 (c) CO2 (d) Freon-22

Last Answer : Ans: d

Which will be adsorbed more readily on the surface of charcoal and why NH3 or CO2?

Description : Which will be adsorbed more readily on the surface of charcoal and why NH3 or CO2?

Last Answer : Ans: The critical temperature NH3 is more CO2, therefore NH3 is liquefied more easily than CO2. Hence NH3 has higher intermolecular forces of attraction and hence it adsorbed more readily. 

Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.

Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal  gas (c) excess release of carbon monoxide by incomplete  combustion (d) excess formation of CO2 by combustion and  animal respiration.

Last Answer : (a) excess NO2 and SO2 from burning fossil fuels

Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.

Description : Acid rains are produced by (a) excess NO2 and SO2 from burning fossil fuels (b) excess production of NH3 by industry and coal gas (c) excess release of carbon monoxide by incomplete combustion (d) excess formation of CO2 by combustion and animal respiration.

Last Answer : (a) excess NO2 and SO2 from burning fossil fuels

Acid rains are due to which of the following gases? (a) CO2 and CO (b) Ozone and CO2(c) NO2 and SO2 (d) NH3 and CO2

Description : Acid rains are due to which of the following gases? (a) CO2 and CO (b) Ozone and CO2(c) NO2 and SO2 (d) NH3 and CO2

Last Answer : (c) NO2 and SO2

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Description : Which gas is released from paddy fields? a) CO2 b) H2S c) CH4 d) NH3

Last Answer : c) CH4

Coke oven gas burns with a yellowish flame, because of the presence of (A) CO2 (B) CH4 (C) H2(D) NH3

Description : Coke oven gas burns with a yellowish flame, because of the presence of (A) CO2 (B) CH4 (C) H2 (D) NH3

Last Answer : (B) CH4

Raw materials for urea production are (A) CO2 and N2 (B) CO2 , H2 and N2 (C) NH3 and CO (D) HNO3 and CaCO3

Description : Raw materials for urea production are (A) CO2 and N2 (B) CO2 , H2 and N2 (C) NH3 and CO (D) HNO3 and CaCO3

Last Answer : (B) CO2 , H2 and N2

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Description : Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Last Answer : (B) Exothermic

Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate (C) Biuret (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Description : Pick out the correct statement. (A) Reaction of NH3 with HNO3 to produce (NH4 )2NO3 is endothermic (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total ... (an intermediate during urea manufacture) is toxic to seeds and animals (D) Both (B) and (C)

Last Answer : (B) With increase in NH3 /CO2 ratio, urea yield decreases for a given temperature, pressure and total feed rate

Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Description : Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH3 (A) HNO3 & limestone (B) CO2 & H2SO4 (C) HNO3 & NH4Cl (D) CO2 & KNO3

Last Answer : (A) HNO3 & limestone

Urea is represented as (A) NH2 .CO.NH2 (B) NH3CO.CH3 (C) NH.CO2 .NH (D) NH3 .CO2 .NH3

Description : Urea is represented as (A) NH2 .CO.NH2 (B) NH3CO.CH3 (C) NH.CO2 .NH (D) NH3 .CO2 .NH3

Last Answer : (A) NH2 .CO.NH2

An increase in the NH3 /CO2 ratio in urea manufacture results in (A) Increased degree of conversion of CO2 to urea (B) Decreased degree of conversion of NH3 to urea (C) Decreased yield of urea (D) Decreased specific volume of molten mass

Description : An increase in the NH3 /CO2 ratio in urea manufacture results in (A) Increased degree of conversion of CO2 to urea (B) Decreased degree of conversion of NH3 to urea (C) Decreased yield of urea (D) Decreased specific volume of molten mass

Last Answer : (A) Increased degree of conversion of CO2 to urea

__________ catalyst is used in the production of urea from CO2 and NH3 . (A) Vanadium pentoxide (B) No (C) Alumina (D) Nicke

Description : __________ catalyst is used in the production of urea from CO2 and NH3 . (A) Vanadium pentoxide (B) No (C) Alumina (D) Nicke

Last Answer : (B) No

Digestion of proteins involves (a) changes in secondary structure only (b) cleavage of peptide linkages (c) removal of all carboxyl groups in the form of CO2. (d) removal of all NH2 groups in the form of NH3

Description : Digestion of proteins involves (a) changes in secondary structure only (b) cleavage of peptide linkages (c) removal of all carboxyl groups in the form of CO2. (d) removal of all NH2 groups in the form of NH3

Last Answer : cleavage of peptide linkages

Impurities present in brine is normally removed by treatment with(A) NH3 and CO2(B) Lime and soda ash(C) Lime, ammonia and carbon(D) All (A), (B) and (C)

Description : Impurities present in brine is normally removed by treatment with (A) NH3 and CO2 (B) Lime and soda ash (C) Lime, ammonia and carbon (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Refrigerants commonly used for domestic refrigerators are (A) Ethyl chloride or methyl chloride (B) Freon-12 (C) Propane (D) NH3 or CO2

Description : Refrigerants commonly used for domestic refrigerators are (A) Ethyl chloride or methyl chloride (B) Freon-12 (C) Propane (D) NH3 or CO2

Last Answer : (A) Ethyl chloride or methyl chloride

Which of the following molecules does NOT have a dipole moment of zero? w) BeCl2 x) BF3 y) CO2 z) NH3

Description : Which of the following molecules does NOT have a dipole moment of zero? w) BeCl2 x) BF3 y) CO2 z) NH3

Last Answer : ANSWER: Z -- NH3

Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum(D) None of these

Description : Sulphuric acid saturated with SO3 is called (A) Concentrated H2SO4 (B) Sulphurous acid (C) Oleum (D) None of these

Last Answer : (C) Oleum

Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Description : Sulphuric acid completely saturated with sulphur trioxide is called (A) Concentrated sulphuric acid (B) Oleum (C) Sulphurous acid (D) Dilute sulphuric acid

Last Answer : (A) Concentrated sulphuric acid

Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a shell and tube heat exchanger (C) Steam jet ejector is used for vapor compression in a thermal recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators

Description : Pick out the wrong statement: (A) The capacity of an evaporator is reduced by the boiling point elevation (B) Corrosive liquid is normally passed through the tubes in a ... recompression evaporator (D) Heat sensitive materials should be concentrated in high pressure evaporators

Last Answer : (D) Heat sensitive materials should be concentrated in high pressure evaporators

Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated by 10 ml of 10% NaCl solution

Description : Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated by 10 ml of 10% NaCl solution

Last Answer : Gold number of haemoglobin is 0.03. Hence 100 ml of gold sol will require haemoglobin so that gold is not coagulated ... B. 30 mg C. 0.30 mg D. 3 mg

For the coagulation of 200 mL of `As_(2)S_(3)` solution, 10 mL of 1 M NaCl is required. What is the coagulating value (number of milli moles of solute

Description : For the coagulation of 200 mL of `As_(2)S_(3)` solution, 10 mL of 1 M NaCl is required. What is the coagulating value (number of milli moles of solute

Last Answer : For the coagulation of 200 mL of `As_(2)S_(3)` solution, 10 mL of 1 M NaCl is required. What is the coagulating ... A. `200` B. `100` C. `50` D. `25`

`Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/

Description : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/

Last Answer : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately ... solution. In how many cases white precipitate is/are obtained.

How do you prepare 1000 ppm chloride solution from NaCl?

Description : How do you prepare 1000 ppm chloride solution from NaCl?

Last Answer : What volume of this solution do you desire? Let's say you wantto make 1 liter of such a solution. You would weigh out 1 gram(1000 mg) of NaCl and dissolve it in enough water to make a ... 1000 mg/liter,this is how you make 1 liter of that solution. For larger orsmaller volumes, adjust appropriately.

If there is 0.2 M glucose along with 0.15 M NaCl in solution what is the osmolarity of this solution?

Description : If there is 0.2 M glucose along with 0.15 M NaCl in solution what is the osmolarity of this solution?

Last Answer : What is the answer ?

How would you prepare 3 liters of a 1.5 M NaCl solution?

Description : How would you prepare 3 liters of a 1.5 M NaCl solution?

Last Answer : 1.5 M solution contains 1.5 moles in a litre. For sodium chloride this is (58.5 x 1.5) g = 87.75 grams. For 3 litres we will need 3 times as much, i.e. 263.25 g. To make the solution, dissolve this amount of salt in water, and make the solution up to exactly 3 litres.

What do you mean by 1M Nacl solution?

Description : What do you mean by 1M Nacl solution?

Last Answer : Ans. It means 1 mole of NaCl (58.5g) of NaCl is present in 1 litre solution.

The pair(s) which will show displacement reaction is/are (i) NaCl solution and copper metal (ii) AgNO3 solution and copper metal (iii) Al2(SO4)3 solution and magnesium metal (iv) ZnSO4 solution and iron metal (a) (ii) only (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (ii)

Description : The pair(s) which will show displacement reaction is/are (i) NaCl solution and copper metal (ii) AgNO3 solution and copper metal (iii) Al2(SO4)3 solution and magnesium metal (iv) ZnSO4 solution and iron metal (a) (ii) only (b) (ii) and (iii) (c) (iii) and (iv) (d) (i) and (ii)

Last Answer : (c) (iii) and (iv)

Which solution will allow greater conductance of electricity, 1 M NaCl at 293 K or 1 M NaCl at 323 K and why ?

Description : Which solution will allow greater conductance of electricity, 1 M NaCl at 293 K or 1 M NaCl at 323 K and why ?

Last Answer : Ans. 1 M NaCl at 323 K as the ionic mobilities increase with increase in temperature. 

Saline solution is given to patients of cholera because (a) Na+ prevents water loss from body (b) NaCl function as regulatory material (c) NaCl produces energy (d) NaCl is antibacterial.

Description : Saline solution is given to patients of cholera because (a) Na+ prevents water loss from body (b) NaCl function as regulatory material (c) NaCl produces energy (d) NaCl is antibacterial.

Last Answer : (a) Na+ prevents water loss from body

What percent solution of NaCl is considered isotonic to mammalian RBCs. a. 0.8% b. 0.85% c. 0.90% d. 0.95%

Description : What percent solution of NaCl is considered isotonic to mammalian RBCs. a. 0.8% b. 0.85% c. 0.90% d. 0.95%

Last Answer : 0.85%

Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? (A) Oxidation of Na + ions (B) Oxidation of Cl - ions (C) Reduction of Na + ions (D) Reduction of Cl - ions

Description : Chlorine gas is produced by the electrolysis of brine (NaCl solution with solid NaCl make up) in mercury electrolytic cell. Which of the following is the anodic reaction? (A) Oxidation of Na + ions (B) Oxidation of Cl - ions (C) Reduction of Na + ions (D) Reduction of Cl - ions

Last Answer : (B) Oxidation of Cl - ions

Which of the following is not a reversible process? (A) Expansion of an ideal gas against constant pressure (B) Atmospheric pressure vaporisation of water at 100°C (C) Solution of NaCl in water at 50°C (D) None of these

Description : Which of the following is not a reversible process? (A) Expansion of an ideal gas against constant pressure (B) Atmospheric pressure vaporisation of water at 100°C (C) Solution of NaCl in water at 50°C (D) None of these

Last Answer : C) Solution of NaCl in water at 50°C