Chemistry-Changes Around Us [NSTSE (National Science Talent Search Exam- Unified Council) Class 6]: Questions 8 - 14 of 47

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Question 8

Question MCQ▾

The word RUST is derived from –

Choices

Choice (4)Response

a.

Rushing

b.

Rest Bin

c.

Rusting

d.

Rubbing

Edit

Question 9

Question MCQ▾

A new substance with new properties is always formed in change.

Choices

Choice (4)Response

a.

Chemical

b.

Periodic

c.

Irresistible

d.

Question does not provide sufficient data or is vague

Edit

Question 10

Question MCQ▾

Exchange of energy is in change.

Choices

Choice (4)Response

a.

Physical

b.

Reversible

c.

Chemical

d.

Question does not provide sufficient data or is vague

Edit

Question 11

Question MCQ▾

Evaporation takes place at

Choices

Choice (4)Response

a.

100◦ Celsius

b.

Fixed temperature

c.

Any temperature

d.

None of the above

Edit

Question 12

Question MCQ▾

Individual properties are in physical change.

Choices

Choice (4)Response

a.

Regular

b.

Retained

c.

All of the above

d.

Question does not provide sufficient data or is vague

Edit

Question 13

Question MCQ▾

Earthquake is a change.

Choices

Choice (4)Response

a.

Undesirable

b.

Non – Periodic

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Edit

Question 14

Question MCQ▾

Chemical change means change in .

Choices

Choice (4)Response

a.

Physical property

b.

Chemical property

c.

None of the above

d.

Question does not provide sufficient data or is vague

Edit