__________ is obtained as a by-product in the manufacture of sodium hydroxide using brine. (A) Chlorine (B) Ammonium chloride (C) Sodium carbonate (D) Sodium bi-carbonate

__________ is obtained as a by-product in the manufacture of sodium
hydroxide using brine.
(A) Chlorine
(B) Ammonium chloride
(C) Sodium carbonate
(D) Sodium bi-carbonate
by

1 Answer

Answer :

(A) Chlorine
by

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The major constituent of black liquor generated during paper manufacture is sodium (A) Sulphate (B) Carbonate (C) Hydroxide (D) Bi-carbonate

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Last Answer : (B) Carbonate

Brine is an a) aqueous solution of sodium hydroxide b) aqueous solution of sodium carbonate c) aqueous solution of sodium chloride d) aqueous solution of sodium bicarbonate

Description : Brine is an a) aqueous solution of sodium hydroxide b) aqueous solution of sodium carbonate c) aqueous solution of sodium chloride d) aqueous solution of sodium bicarbonate

Last Answer : c) aqueous solution of sodium chloride

Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric acid) 7. Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

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Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

The leaching solvent used in Baeyer's process for the purification of bauxite is (A) Ammonium hydroxide (B) Sodium carbonate (C) Sodium hydroxide (D) Ammonium carbonate

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Last Answer : Option B

Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate (A) Is prone to thermal decomposition (B) Has high water solubility and is unstable (C) Is soluble in ammonium chloride and potassium chloride solution (D) All (A), (B) and (C)

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Last Answer : (C) Is soluble in ammonium chloride and potassium chloride solution

__________ is the undesirable by-product produced in the manufacture of urea. (A) Ammonium carbonate (B) Biuret (C) Carbon dioxide (D) Ammonium carbamate

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What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

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The scientific name for common salt is - (1) Sodium hydroxide (2) Sodium chloride (3) Ammonium chloride (4) Sodium hydrogencarbonate

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Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

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Last Answer : Ans:(b)

Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

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Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

The pH of water will be decreased to below pH 7 by the hydrolysis of which of the following? w) sodium carbonate x) sodium chloride y) ammonium chloride z) potassium bromide

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Last Answer : ANSWER: C -- AMMONIUM CHLORIDE

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Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

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Municipal water in India is generally treated with (a) Chlorine (b) Potassium permanganate (c) Sodium Chloride (d) Sodium Carbonate

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Last Answer : Ans:(a)

When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Description : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Last Answer : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are A. (1) `ClO_2^ ... ClO_2^-` D. `ClO^-` and `ClO_3^-`

In the manufacture of urea, the intermediate chemical formed is (A) Biuret (B) Ammonium carbamate (C) Ammonium carbonate (D) None of these

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Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable (C) Gypsum (CaSO4 . 2H2O) is obtained as a by-product in the wet process for manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

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What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

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What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

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In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution

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Last Answer : (A) Nitrate

__________ process is used for the manufacture of sodium carbonate by ammonia soda process. (A) Ostwald's (B) Bosch (C) Solvay (D) Haber's

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What is the double replacement for ammonium chloride plus calcium hydroxide?

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

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What is the double replacement for ammonium chloride plus calcium hydroxide?

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

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Fertiliser produced during soda ash manufacture by dual process is ammonium (A) Chloride (B) Sulphate (C) Nitrate (D) None of these

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The major calcium salt in bones is (A) Calcium carbonate (B) Calcium chloride (C) Calcium hydroxide (D) Calcium phosphate

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Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

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Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

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Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

`Milk of Magnesia' is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium chloride

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Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

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Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

‘Milk of Magnesia’ is a suspension of : (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium chloride

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Last Answer :  magnesium hydroxide

Industrial production of chloroform requires acetone and (A) Phosgene (B) Calcium hypochlorite (C) Chlorine (D) Ammonium chloride

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Last Answer : (B) Calcium hypochlorite

Washing soda is the common name of- (1) Calcium Carbonate (2) Calcium Bi-Carbonate (3) Sodium Carbonate (4) Sodium Bi-Carbonate

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Last Answer : (3) Sodium Carbonate Explanation: Washing soda, sodium carbonate decahydrate, efflorescent crystals used for washing, especially textiles. It is a compound of sodium (q.v.).

Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Description : Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

Last Answer : (C) H2

What is the name and chemical formula of the main product formed by heating baking soda. (a) sodium carbonate,Na 2 CO 3 (b) Bleaching powder ,CaOCl 2 (c) sodium chloride,Na Cl (d)Plaster of paris ,CaSO 4 .I/2H 2 O

Description : What is the name and chemical formula of the main product formed by heating baking soda. (a) sodium carbonate,Na 2 CO 3 (b) Bleaching powder ,CaOCl 2 (c) sodium chloride,Na Cl (d)Plaster of paris ,CaSO 4 .I/2H 2 O

Last Answer : (a) sodium carbonate,Na 2 CO 3

Urea is prepared by the chemical reactions of (a) Ammonium sulphate and calcium chloride (b) Ammonia and carbon dioxide (c) Chlorine and water (d) Acetamide and ethyl alcohol

Description : Urea is prepared by the chemical reactions of (a) Ammonium sulphate and calcium chloride (b) Ammonia and carbon dioxide (c) Chlorine and water (d) Acetamide and ethyl alcohol

Last Answer : Ans: (b)

Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Description : Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Last Answer : (A) Sulphuric acid

Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Description : Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Last Answer : (1) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO2)is known as baking soda.

Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Description : Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium silicate Explanation: Glass is made from silica (SiO₂) and soda lime, which react to form sodium silicate.

What is "milk of magnesia" chemically? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Description : What is "milk of magnesia" chemically? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : (4) Magnesium hydroxide Explanation: agnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. As a suspension in water, it is often called milk of magnesia because of its milk-like appearance. The solid mineral form of magnesium hydroxide is known as brucite.

Write two important uses of each of the following: (i)Sodium carbonate (II)Sodium Hydroxide (iii)Sodium hydrogen carbonate

Description : Write two important uses of each of the following: (i)Sodium carbonate (II)Sodium Hydroxide (iii)Sodium hydrogen carbonate

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A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X is Calcium carbonate and Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

Description : A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X ... Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

Last Answer : (b) X is Calcium carbonate and Y is calcium hydroxide

Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE

Baking soda is : (1) Potassium carbonate (2) Sodium hydroxide (3) Sodium carbonate (4) Sodium bicarbonate

Description : Baking soda is : (1) Potassium carbonate (2) Sodium hydroxide (3) Sodium carbonate (4) Sodium bicarbonate

Last Answer : Sodium bicarbonate

What is “milk of magnesia” chemically ? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Description : What is “milk of magnesia” chemically ? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : Magnesium hydroxide

The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Description : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Last Answer : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is : A ... acid C. phthalic acid D. benzoic acid

Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Description : Sodium carbonate (soda ash) is not used in the manufacture of (A) Fire extinguishers (B) Sugar (C) Baking powder (D) Detergents

Last Answer : (D) Detergents

In Kraft process of paper manufacture, white cooking liquor consists of caustic soda (A) Sodium sulphide & sodium carbonate (B) Sodium sulphite & sodium carbonate (C) Sodium sulphite & sodium sulphide (D) None of these

Description : In Kraft process of paper manufacture, white cooking liquor consists of caustic soda (A) Sodium sulphide & sodium carbonate (B) Sodium sulphite & sodium carbonate (C) Sodium sulphite & sodium sulphide (D) None of these

Last Answer : (A) Sodium sulphide & sodium carbonate

Solution used in Doctor's treatment for the removal of mercaptans is (A) Sodium hydroxide (B) Sodium plumbite (C) Cupric chloride (D) Potassium isobutyrate

Description : Solution used in Doctor's treatment for the removal of mercaptans is (A) Sodium hydroxide (B) Sodium plumbite (C) Cupric chloride (D) Potassium isobutyrate

Last Answer : (B) Sodium plumbite