Silver halides are used in photographic plates because they are (a) Oxidised in air (b) Colourless (c) Easily soluble in a hypo solution (d) Readily reduced by light

Silver halides are used in photographic plates because they are (a) Oxidised in air (b) Colourless (c) Easily soluble in a hypo solution (d) Readily reduced by light
by

1 Answer

Answer :

Ans:(d)
by
selected

Related questions

Silver halides are used in photographic plates because they are - (1) oxidised in air (2) soluble in hyposolution (3) reduced by light (4) totally colourless

Description : Silver halides are used in photographic plates because they are - (1) oxidised in air (2) soluble in hyposolution (3) reduced by light (4) totally colourless

Last Answer : (3) reduced by light Explanation: The light-sensitive chemicals used in photographic film and paper are silver halides. Silver halides are used in photographic film and photographic paper, including ... - meaning that it can undergo development which turns the entire crystal into metallic silver.

Silver halides are used in photographic plates because they are (1) oxidised in air (2) soluble in hyposolution (3) reduced by light (4) totally colourless

Description : Silver halides are used in photographic plates because they are (1) oxidised in air (2) soluble in hyposolution (3) reduced by light (4) totally colourless

Last Answer :  reduced by light

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)

The chemical used in developing photographic films is – (1) silver bromide (2) hypo (3) sodium sulphate (4) hydroquinone

Description : The chemical used in developing photographic films is – (1) silver bromide (2) hypo (3) sodium sulphate (4) hydroquinone

Last Answer : (1) silver bromide Explanation: Tritium is a radioactive isotope of hydrogen. It is the lightest radioactive element.

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to (A) Brighten the faint images (B) Remove metallic silver (C) Convert silver chloride to silver (D) Remove unexposed silver halide

Description : Function of sodium thiosulphate (hypo) in development of photographic film/plate is to (A) Brighten the faint images (B) Remove metallic silver (C) Convert silver chloride to silver (D) Remove unexposed silver halide

Last Answer : (D) Remove unexposed silver halide

The chemical used in developing photographic films is (1) silver bromide (2) hypo (3) sodium sulphate (4) hydroquinone

Description : The chemical used in developing photographic films is (1) silver bromide (2) hypo (3) sodium sulphate (4) hydroquinone

Last Answer : silver bromide

Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Description : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Last Answer : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I) ... II),(I) D. (II),(IV),(III)

Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Description : Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Last Answer : (B) Silver halide

Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Description : Photographic plates are coated with (A) Silver nitrate (B) Silver halide (C) Calcium silicate (D) Metallic silver

Last Answer : (B) Silver halide

Hydrazine is largely used (A) As a starting material for 'hypo' (B) In photographic industry (C) As rocket fuel (D) In printing industry

Description : Hydrazine is largely used (A) As a starting material for 'hypo' (B) In photographic industry (C) As rocket fuel (D) In printing industry

Last Answer : (C) As rocket fuel

In preference to nitrogen -oxygen mixture (present in air), a helium -oxygen mixture is used by divers in deep sea because helium (a) is less toxic than nitrogen (b) can readily mix with oxygen than nitrogen (c) is lighter than nitrogen (d) is less soluble in blood than nitrogen at high pressure under the sea

Description : In preference to nitrogen -oxygen mixture (present in air), a helium -oxygen mixture is used by divers in deep sea because helium (a) is less toxic than nitrogen (b) can readily mix with oxygen ... ) is lighter than nitrogen (d) is less soluble in blood than nitrogen at high pressure under the sea

Last Answer : Ans:(d)

Winch of the following is not true about X-rays? (1) have low penetrating power (2) travel with the speed of light (3) Can be reflected or refracted (4) can affect photographic plates

Description : Winch of the following is not true about X-rays? (1) have low penetrating power (2) travel with the speed of light (3) Can be reflected or refracted (4) can affect photographic plates

Last Answer : (1) have low penetrating power Explanation: X-rays and gamma rays are photons, i.e. high-energy light-waves. When emitted by a source, for example, radium or cobalt, located outside the body, they ... they can be used in diagnostic medicine to image human bones or human organs made opaque by a dye.

Which of the following is not true about X-rays? (1) have low penetrating power (2) travel with the speed of light (3) Can be reflected or refracted (4) can affect photographic plates

Description : Which of the following is not true about X-rays? (1) have low penetrating power (2) travel with the speed of light (3) Can be reflected or refracted (4) can affect photographic plates

Last Answer : have low penetrating power

Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They generally do not form ionic compounds.

Description : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They generally do not form ionic compounds.

Last Answer : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They ... IV C. I,III,IV D. (D) All

Which alkyl halides react most readily by nucleophilic substitution? (a) CH3CH2Cl (b) CH3CH2I (c) CH3CH2Br (d) CH3CH2F

Description : Which alkyl halides react most readily by nucleophilic substitution? (a) CH3CH2Cl (b) CH3CH2I (c) CH3CH2Br (d) CH3CH2F

Last Answer : CH3CH2I

Bio-degradable detergents (A) Can be readily oxidised (B) Pose problem in sewerage plant (C) Have an isoparaffinic structure (D) Should not be used as it spoils the cloth

Description : Bio-degradable detergents (A) Can be readily oxidised (B) Pose problem in sewerage plant (C) Have an isoparaffinic structure (D) Should not be used as it spoils the cloth

Last Answer : (A) Can be readily oxidised

Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Description : Helium is added to the oxygen supply of deep sea divers because it is (1) less poisonous than nitrogen (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure

Last Answer : less soluble in blood than nitrogen at high pressure

A colourless water-soluble compound on strong heating liberates a brown colored gas and leaves a yellow residue that turns white on cooling. An aqueou

Description : A colourless water-soluble compound on strong heating liberates a brown colored gas and leaves a yellow residue that turns white on cooling. An aqueou

Last Answer : A colourless water-soluble compound on strong heating liberates a brown colored gas and leaves a yellow residue that turns ... (3))_(3)` D. `NaNO_(3)`

A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementio

Description : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementio

Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... . `S^(2-)` D. `Cl^(-)`

A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the solution, a

Description : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the solution, a

Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... (3)^(2-)` D. `S^(2-)`

Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Description : Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Last Answer : Ans:(b)

The chemical name of "Hypo" commonly used in photography is – (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Description : The chemical name of "Hypo" commonly used in photography is – (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Last Answer : (1) Sodium thiosulphate Explanation: An emulsion of sodium thiosulfate is called hypo by photographers. It is used to stop development of exposed film. Thiosulfate converts undeveloped silver bromide ... into water-soluble silver thiosulfate complexes that can be removed when the film is washed.

The chemical name of ‘‘Hypo’’ commonly used in photography is (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Description : The chemical name of ‘‘Hypo’’ commonly used in photography is (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Last Answer : Sodium thiosulphate

Pick out the wrong statement. (A) At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature (B) Normally, the gases which are easily liquefied are more soluble in common solvents (C) The gases which are capable of forming ions in aqueous solution are much more soluble in water than in other solvents (D) At constant pressure, solubility of a gas in a liquid increases with rise in temperature

Description : Pick out the wrong statement. (A) At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature (B) Normally, the gases which are easily liquefied are more soluble ... (D) At constant pressure, solubility of a gas in a liquid increases with rise in temperature

Last Answer : (A) At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature

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

Which halide is used in making sensitive emulsion on photographic film? (1) Sodium chloride (2) Silver bromide (3) Silver iodide (4) Silver chloride

Description : Which halide is used in making sensitive emulsion on photographic film? (1) Sodium chloride (2) Silver bromide (3) Silver iodide (4) Silver chloride

Last Answer : (2) Silver bromide Explanation: Silver bromide, a soft, paleyellow, water insoluble salt well known for its unusual sensitivity to light. This property has allowed silver halides to become the basis of modern photographic materials.

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried

Description : If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than the metal, then the purification of metal may be carried

Last Answer : If the impurity in a metal has a greater affinity for oxygen and is more easily oxidised than ... B. electrorefining C. Zone refining D. POILING

Why Ce+3 Can be easily Oxidised to Ce+4 ?

Description : Why Ce+3 Can be easily Oxidised to Ce+4 ?

Last Answer : Ans : It is because Ce+4 has stable electronic configuration . 

What happens when a substance loses oxygen during reaction? It is said to be (a) Oxidised (b) Reduced (c) Both (d) None of the above

Description : What happens when a substance loses oxygen during reaction? It is said to be (a) Oxidised (b) Reduced (c) Both (d) None of the above

Last Answer : (b) Reduced

What happens when a substance gains oxygen during reaction? The substance gets – (a) Oxidised (b) Reduced (c) Both oxidized and reduced (d) None of the above

Description : What happens when a substance gains oxygen during reaction? The substance gets – (a) Oxidised (b) Reduced (c) Both oxidized and reduced (d) None of the above

Last Answer : (a) Oxidised

(i) Substances oxidised is Na as it gains oxygen and oxygen is reduced. (ii) Substances reduced is Cu as hydrogen is oxidised as it gains oxygen. -Chemistry-10

Description : (i) Substances oxidised is Na as it gains oxygen and oxygen is reduced. (ii) Substances reduced is Cu as hydrogen is oxidised as it gains oxygen. -Chemistry-10

Last Answer : During this reaction, the sodium is gaining oxygen and is being oxidized. Oxygen is getting reduced. During this reaction, copper oxide is losing oxygen and is being reduced. The hydrogen is gaining oxygen and is being oxidized.

Identify the substances that are oxidised and the substances which are reduced in the following reactions. (i) 4Na(s) + O2(g) → 2Na2O(s) (ii) CuO (s) + H2(g) → Cu (s) + H2O(l) -Chemistry-10

Description : Identify the substances that are oxidised and the substances which are reduced in the following reactions. (i) 4Na(s) + O2(g) → 2Na2O(s) (ii) CuO (s) + H2(g) → Cu (s) + H2O(l) -Chemistry-10

Last Answer : (i) Substances oxidised is Na as it gains oxygen and oxygen is reduced. (ii) Substances reduced is Cu as hydrogen is oxidised as it gains oxygen.

Assertion :- `H_(2)S+Cl_(2)rarr2HCl+S` In the above reaction, Cl has been oxidised to `Cl^(-)` while `S^(-2)` has been reduced to S Reason :- In a rea

Description : Assertion :- `H_(2)S+Cl_(2)rarr2HCl+S` In the above reaction, Cl has been oxidised to `Cl^(-)` while `S^(-2)` has been reduced to S Reason :- In a rea

Last Answer : Assertion :- `H_(2)S+Cl_(2)rarr2HCl+S` In the above reaction, Cl has been oxidised to `Cl^(-)` ... is False. D. If both Assertion & Reason are False.

When iron is rusted, it is (A) Converted to a fine powder (B) Reduced (C) Oxidised (D) None of these

Description : When iron is rusted, it is (A) Converted to a fine powder (B) Reduced (C) Oxidised (D) None of these

Last Answer : (C) Oxidised

Urea is widely used as a fertilizer because it (a) is an organic compound (b) contains very high amounts of nitrogen (c) is soluble in water (d) mixes easily with soil

Description : Urea is widely used as a fertilizer because it (a) is an organic compound (b) contains very high amounts of nitrogen (c) is soluble in water (d) mixes easily with soil

Last Answer : Ans:(b)

Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not

Description : Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not

Last Answer : phenols are soluble in NaOH, but alcohols are not

In the diving apparatus, helium is used along with oxygen, because it is (A) Easily available (B) Not soluble in blood at high pressure (C) Lighter than nitrogen (D) Completely miscible with oxygen

Description : In the diving apparatus, helium is used along with oxygen, because it is (A) Easily available (B) Not soluble in blood at high pressure (C) Lighter than nitrogen (D) Completely miscible with oxygen

Last Answer : (B) Not soluble in blood at high pressure

Which complex ion is formed when undecomposed AgBr is washed with hypo solution in photography? (Comptt. All India 2013) -Chemistry

Description : Which complex ion is formed when undecomposed AgBr is washed with hypo solution in photography? (Comptt. All India 2013) -Chemistry

Last Answer : Sodium dithiosulphato argentate (I) complex is formed

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives :

Description : Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives :

Last Answer : Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives : A. yellow precipitate changing ... C. orange precipitate to blue D. no precipitate

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives :

Description : Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives :

Last Answer : Aqueous hypo solution on reaction with aqueous `AgNO_(3)` gives : A. yellow precipitate changing ... C. orange precipitate to blue D. no precipitate

Which one of the following does not give tetrathionate as the product, when treated with an aq solution of hypo?

Description : Which one of the following does not give tetrathionate as the product, when treated with an aq solution of hypo?

Last Answer : Which one of the following does not give tetrathionate as the product, when treated with an aq solution of hypo? A. ... )` C. `CuC1_(2)` D. `FeC1_(3)`

When concentrated hypo solution is added to `AgNO_(3)` solution a white ppt is formed. With excees of hypo a complex is formed. The oxidation state an

Description : When concentrated hypo solution is added to `AgNO_(3)` solution a white ppt is formed. With excees of hypo a complex is formed. The oxidation state an

Last Answer : When concentrated hypo solution is added to `AgNO_(3)` solution a white ppt is formed. With excees of hypo a complex is ... 1,2` C. `+3,4` D. `+1,8`

Magnesium is present in (A) Haemoglobin (B) Chlorophyll (C) Hypo solution (D) None of these

Description : Magnesium is present in (A) Haemoglobin (B) Chlorophyll (C) Hypo solution (D) None of these

Last Answer : (B) Chlorophyll

Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Description : Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Last Answer : ANSWER: W -- GOLD

What chemical catches on fire easily and burns readily?

Description : What chemical catches on fire easily and burns readily?

Last Answer : Need answer

Easily and Readily Available?

Description : Easily and Readily Available?

Last Answer : Travelers often outsource services in order to get everything right for their travel. Many companies are in the trade of offering travel services. The benefits of using such experts lie in the convenience ... are available on the web and are ready to assist their clients get good travel deals.