(b) Citric acid

(c) Tartaric acid

(d) Oxalic acid

Answer. (d) Oxalic acid

Question 17:  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

Answer. (c) aqueous solution of sodium chloride

Question 18:  Na₂CO₃ . 10H₂O is

(a) washing soda

(b) baking soda

(c) bleaching powder

(d) tartaric acid

Answer. (a) washing soda

Question 19:   At what temperature is gypsum heated to form Plaster of Paris?

(a) 90°C

(b) 100°C

(c) 110°C

(d) 120°C

Answer. (b) 100°C

Question 20:  How many water molecules does hydrated calcium sulphate contain?

(a) 5

(b) 10

(c) 7

(d) 2

Answer. (d) 2

Question 21 :  Sodium carbonate is a basic salt because it is a salt of a

(a) strong acid and strong base

(b) weak acid and weak base

(c) strong acid and weak base

(d) weak acid and strong base

Answer. (d) weak acid and strong base

Question 22 : Which salt is Neutral salt?

(a) NH₄Cl

(b) CH₃COONH₄

(c) CH₃COONa

(d)Na₂CO₃

Answer. (b) CH₃COONH₄

Question 23 : Lactic Acid is present in-

(a) Orange

(b) Tea

(c) Curd

(d) Vinegar

Answer. (c) Curd

Question 24: Farmers neutralize the effect of Acidity on soil by adding

(a) Slaked Lime

(b) Gypsum

(c) Caustic Soda

(d) Baking Soda

Answer.  (a) Slaked Lime

Question 25: Which of the following are present in a dilute Aqueous solution of Hydrochloric Acid?

(a) H₃O + Cl^–

(b) H₃O + OH^–

(c) Cl^– + OH^–

(d) Unionised HCl

Answer. (a) H₃O + Cl^–

Question 26: An acid is a compound which when dissolved in water gives …………. ions as the only …………. ions.

(a) Hydronium, negative

(b) Hydronium, positive

(c) Peroxide, negative

(d) Peroxide, positive

Answer. (b) Hydronium, positive

Question 27:  A ………………. acid undergoes almost complete dissociation on dissolving in water.

(a) strong

(b) Normal

(c) Weak

(d) None of the above

Answer. (a) strong

Question 28:  An example of mineral acid is…………..

(a) CaCO₃

(c) ATP

(c) H₂O₂

(d) HCI

Answer. (d) HCI

Question 29:  Vinegar contains…………………. acid.

(a) Acetic

(b) Hydrochloric

(d) Phenol

(c) Sulphuric

Answer. (a) Acetic

Question 30:   Sodium acetate on hydrolysis forms sodium hydroxide and ………….

(a) benzene

(b) glycerol

(c) cytosine

(d) acetic acid

Answer. (d) acetic acid

Question 31:   The basicity of acetic acid is…………..

(a) 1

(b) 3

(c) 2

(d) 4

Answer. (a) 1

Question 32: An alkali which completely dissociates into ions is

(a) ammonium hydroxide

(b) calcium hydroxide

(c) barium hydroxide

(d) None of the above.

Answer. (b) calcium hydroxide

Question 33: As the pH of solution decreases, its acidic strength progressively …………..

(a) Increases

(b) Decreases

(c) Does not change

(d) Depends on the quantity of solutions

Answer. (a) Increases

Question 34: The metal oxide which can react with acid as well  as alkali is:

(a) Silver Oxide

(b) Copper(II) oxide
(c) Aluminium oxide

(d) Calcium Oxide

Answer. (c) Aluminium oxide 

Question 35: During 1onisation metals lose electrons, this change Can be called :

(a) Oxidation

(b) Reduction

(c) Redox

(d) Displacement

Answer. (a) Oxidation

Question 36: An example of a complex salt is:

(a) Zinc sulphate

(b) Sodium hydrogen sulphate

(c) Iron(II) ammonium sulphate

(d) Tetrammine copper(II) sulphate

Answer. (d) Tetrammine copper(II) sulphate

Question 37: The salt which in solution gives a pale green precipitate with sodium hydroxide solution and a white precipitate with barium chloride solution is:

(a) Iron(III) sulphate

(b) Iron(II) chloride

(c) Iron(II) sulphate

(d) Iron(III) chloride

Answer. (c) Iron(II) sulphate

Question 38:  The acid which can produce carbon from cane Sugar, is

(a) Concentrated Hydrochloric acid

(b) Concentrated Nitric acid

(c) Concentrated Sulphuric acid

(d) Concentrated Acetic acid

Answer. (c) Concentrated Sulphuric acid

Question 39:  A particular solution contains molecules and ions of the solute so it is a:

(a) Weak acid

(b) Strong base

(c) Strong acid

(d) Salt solution

Answer. (a) Weak acid

Question 40:   Select the acid which contains four hydrogen atoms in it :

(a) Formic acid

(b) Sulphuric acid

(c) Nitric acid

(d) Acetic acid
Answer. (d) Acetic acid

Question 41:  An organic weak acid is :

(a) Formic acid

(b) Sulphuric acid

(d) Hydrochloric acid

(c) Nitric acid

Answer. (a) Formic acid

–: End of Study of Acid Base and Salts MCQ Type Questions for ICSE Chemistry Class-10 :-

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