NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1836 - 1843 of 2029

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Question 1836

Question

MCQ▾

Example of heterogeneous mixture is

Choices

Choice (4)Response

a.

Peanut butter

b.

Water and petrol

c.

Cough syrup

d.

All of the above

Question 1837

Question

MCQ▾

In chromatography filter paper act as

Choices

Choice (4)Response

a.

Stationary phase

b.

Phase

c.

Mobile phase

d.

Telephone phase

Question 1838

Question

MCQ▾

Solid + liquid mixture can be .

Choices

Choice (4)Response

a.

Heterogeneous Mixture

b.

Homogeneous Mixture

c.

Both a. and b. are correct

d.

None of the above

Question 1839

Question

MCQ▾

Molecular formula of nitrogen is –

Choices

Choice (4)Response

a.

N4

b.

N3

c.

N2

d.

N

Question 1840

Question

MCQ▾

What happens when potassium gently dropped on the surface of cold water?

Choices

Choice (4)Response

a.

It floats

b.

It partially sinks

c.

It sinks

d.

It evaporates

Question 1841

Question

MCQ▾

Vapour Density of air is 14.4 and nitrogen is .

Choices

Choice (4)Response

a.

03

b.

14.3

c.

14.00

d.

All of the above

Question 1842

Question

MCQ▾

Size of solute particles has ________ relation with its solubility.

Choices

Choice (4)Response

a.

No

b.

Not defined

c.

Direct

d.

Inverse

Question 1843

Question

MCQ▾

We can separate solid + solid mixture by

Choices

Choice (4)Response

a.

Hand picking

b.

Sedimentation

c.

Winnowing

d.

Both a. and c. are correct

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