Chemistry-Structure of Atom (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 30 - 34 of 34

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Question number: 30

» Chemistry » Structure of Atom

MCQ▾

Question

A well- known antiseptic ‘tincture of iodine’ is a solution made by dissolving

Choices

Choice (4) Response

a.

Iodine in alcohol

b.

Iodine in Kl

c.

Iodine in acetone

d.

Iodine in water

Question number: 31

» Chemistry » Structure of Atom

MCQ▾

Question

________ is the solution of solid in a solid.

Choices

Choice (4) Response

a.

Bread

b.

Brass

c.

Boron

d.

Beryllium

Question number: 32

» Chemistry » Structure of Atom

MCQ▾

Question

A compound ‘X’ has two carbon atoms having an alcoholic functional group attached to it. It is obtained by the fermentation. It is known as absolute alcohol. Identify ‘X’.

Choices

Choice (4) Response

a.

Butanol

b.

Ethanol

c.

Methanol

d.

Propanol

Question number: 33

» Chemistry » Structure of Atom

MCQ▾

Question

Dry ice used to preserve food using non-cyclic refrigeration is the solid form of

Choices

Choice (4) Response

a.

CO2

b.

CO

c.

NO2

d.

N2

Question number: 34

» Chemistry » Structure of Atom

MCQ▾

Question

Consider the following statements

I. Positively charged ions are known as cations.

II. Negatively charged ions are known as anions.

Which of the about statement) is/are correct?

Choices

Choice (4) Response

a.

I and II

b.

Neither I nor II

c.

Only II

d.

Only I

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