Chemistry-Acid Bases and Salt (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 1 - 5 of 8

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Question number: 1

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Boyle suggested some properties of acid; choose the correct set of them.

Choices

Choice (4) Response

a.

Sour taste, corrosive change litmus from red to blue

b.

Sour taste, slippery change litmus from blue to red

c.

Sour taste, corrosive change litmus from blue to red

d.

Sweet taste, slippery change litmus from blue to red

Question number: 2

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Which of the following substances is essential solute in saline water?

Choices

Choice (4) Response

a.

Ammonium chloride

b.

Salicylic acid

c.

Acetic acid

d.

Sodium chloride

Question number: 3

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Consider the following statements

I. An amphoteric substance can act as both an acid and a base.

II. Bases are sometimes called alkalis.

Which of the statements) given above is/are correct?

Choices

Choice (4) Response

a.

Only I

b.

Only II

c.

I and II

d.

None of the above

Question number: 4

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Observe the given figures and choose the correct alternative.

Three beakers containing different liquid

Three Beakers Containing Different Liquid

Find the correct relation given in options

Choices

Choice (4) Response

a.

pH of C > pH of A and B

b.

pH of A > pH of Band C

c.

pH of B > pH of A and C

d.

pH of A B and C are equal

Question number: 5

» Chemistry » Acid Bases and Salt

MCQ▾

Question

Which of the following fact is not true about sodium hydrogen carbonate?

Choices

Choice (4) Response

a.

It is used as a raising agent in making cakes

b.

It is commonly known as baking soda

c.

Its white crystals are sparingly soluble in water

d.

It is also used in making ‘Borax’

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