Chemistry-Physical and Chemical Changes [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 13 - 17 of 43

Choose Programs:

🎯 1056 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 450.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 13

Question MCQ▾

A student took five test tubes containing solutions of different colors marked I, II, III, IV and V as shown below. The test tubes containing copper sulphate and ferrous sulphate solution could be the tubes

Five Test Tubes Containing Different Colors

Choices

Choice (4)Response

a.

II and IV

b.

IV and V

c.

I and V

d.

III and V

Edit

Question 14

Question MCQ▾

A large iceberg melts at the base but not at the top because

Choices

Choice (4)Response

a.

ice at the base contains impurities

b.

ice at the top is different kind

c.

the base of iceberg remains in warmer conditions

d.

higher pressure at the base lowers the melting point of ice

Edit

Question 15

Question MCQ▾

Which of these methods is used to extract alcohol from a mixture of alcohol and water?

Choices

Choice (4)Response

a.

Bleaching

b.

Crystallization

c.

Oxidation

d.

Distillation

Edit

Question 16

Question MCQ▾

Varsha adds a few drop of the universal indicator solution to a dilute solution of taken in a test-tube. She observed … colour.

A Test-Tube Containing Dilute Solution of NaHCO3

Choices

Choice (4)Response

a.

mustard

b.

green

c.

blue

d.

Yellow

Edit

Question 17

Question MCQ▾

Consider the following statements

I. Pyrolusite is the ore of zinc.

II. Calamine is the ore of manganese.

Which of the above statement (s) is/are correct?

Choices

Choice (4)Response

a.

I and II

b.

I nor II

c.

Only I

d.

Only II

Edit