Acid, Base and Salt

Objective Questions on Acid, Base and Salt for competitive exams

Identify a compound which contains replaceable hydrogen
(a) An Acid
(b) A base
(c) A salt
(d) None of these

a

Which one of the following is acidic ?
(a) Lemon juice
(b) tomatoes
(c) Milk
(d) all of the above

d

What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(iii) Temperature of the solution remains the same
(iv) Salt formation takes place
(a) (i) and (iv)
(b) (i) and (iii)
(c) (ii) only
(d) (ii) and (iv)

d

Which of the following acid is produced in our stomach?
(a) Sulphuric acid
(b) Acetic acid
(c) Hydrochloric acid
(d) Dilute nitric acid

c

An indicator is what type of compound?
(a) reducing agent
(b) strong base or acid
(c) weak base or acid
(d) salt

c

Rain is called acid rain when its
(a) pH falls below 7
(b) pH falls below 5.6
(c) pH falls below 6
(d) pH is above 7

b

Dissolution of acid or b ase in water is
(a) Exothermic
(b) Endothermic
(c) Violent
(d) None of these

a

Which of the following is a weak acid?
(a) Hydrochloric Acid
(b) Nitric Acid
(c) Acetic Acid
(d) Sulphuric Acid

c

Which of the following is strong acid?
(a) Acetic Acid
(b) Citric Acid
(c) Nitric Acid
(d) Oxalic Acid

c

Name of the organic acid present in tomato
(a) Tartaric Acid
(b) Malic Acid
(c) Lactic Acid
(d) Oxalic Acid

d

Which acid is present in an apple?
(a) Citric Acid
(b) Malic Acid
(c) Tartaric Acid
(d) Formic Acid

b

Which solution does not conduct electricity ?
(a) Glucose
(b) Alcohol
(c) Sulphuric Acid
(d) Both (a) and (b)

d

Lime water reacts with chlorine to give
(a) bleaching powder
(b) baking powder
(c) baking soda
(d) washing soda

c

Nettle sting is a natural source of which acid ?
(a) MetiWanoic acid
(b) Lactic acid
(c) Citric Acid
(d) Tartaric acid

a

Tooth enamel is made up of
(a) Calcium Phosphate
(b) Calcium carbonate
(c) calcium oxide
(d) pottassium

a