Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 28 - 35 of 208

Access detailed explanations (illustrated with images and videos) to 2000 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access & Unlimited Time!

View Sample Explanation or View Features.

Rs. 550.00 -OR-

How to register? Already Subscribed?

Question 28

Chemistry
Edit

Question

Match-Triplets▾

Find matching triplet:

Choices

Choice (4)Response

a.

Brass

Sulphur

&mdash

Water

b.

Sulphur

Brass

&mdash

Water

c.

Sulphur

Water

&mdash

Brass

d.

Water

Sulphur

&mdash

Brass

Question 29

Chemistry
Edit

Question

MCQ▾

Low humidity in the atmosphere will ________

Choices

Choice (4)Response

a.

Increase the rate of evaporation

b.

Decrease the rate of evaporation

c.

Cannot say

d.

No effect on rate of evaporation

Question 30

Chemistry
Edit

Question

MCQ▾

The interconversion of matter depends on ________

Choices

Choice (4)Response

a.

Vapor pressure

b.

Temperature

c.

Temperature and pressure

d.

Pressure

Question 31

Chemistry
Edit

Question

MCQ▾

Which one is the fourth state of matter?

Choices

Choice (4)Response

a.

Liquid

b.

Plasma

c.

Gases

d.

Solid

Question 32

Chemistry
Edit

Question

MCQ▾

Law of conservation of mass is in agreement with________

Choices

Choice (4)Response

a.

Plank’s theory

b.

Mohr’s theory

c.

Dalton’s atomic theory

d.

Rutherford’s theory

Question 33

Chemistry
Edit

Question

Matching-Pair▾

Find matching pair:

Choices

Choice (4)Response

a.

Sodium

Yellow in colour

b.

Helium

Monoatomic noble gas

c.

Sulphur

Soft metal

d.

Hydrogen

Noble gas

Question 34

Chemistry
Edit

Question

MCQ▾

Which physical state has lowest density?

Choices

Choice (4)Response

a.

Solid

b.

Gas

c.

Semi solid

d.

Liquid

Question 35

Chemistry
Edit

Question

MCQ▾

Which one of the following is an amorphous solid?

Choices

Choice (4)Response

a.

Glass

b.

Ice

c.

Common salt

d.

Copper sulphate