NSTSE (National Science Talent Search Exam- Unified Council) Class 6: Questions 1729 - 1735 of 2029

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Question 1729

Question

MCQ▾

Name of CO + H2 compound

Choices

Choice (4)Response

a.

Hypochlorus acid

b.

Carbon mono oxide

c.

Carbon dioxide

d.

Water gas

Question 1730

Question

MCQ▾

What is the product when metallic oxides react with water?

Choices

Choice (4)Response

a.

Salt and Water

b.

Water

c.

Alkalis

d.

Salt

Question 1731

Question

MCQ▾

Smoke present in air due to burning of fossil fuel. It carries minute particle that cause

Choices

Choice (4)Response

a.

Asthma

b.

Bronchitis

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question 1732

Question

MCQ▾

Separation of mixture depends upon .

Choices

Choice (4)Response

a.

Shape, color and size

b.

Type of mixture

c.

Melting and Boiling Point

d.

All a., b. and c. are correct

Question 1733

Question

MCQ▾

Which of the following gas is easily soluble in water?

Choices

Choice (4)Response

a.

Carbon di-oxide

b.

Hydrogen

c.

Nitrogen

d.

Ammonia

Question 1734

Question

MCQ▾

Evaporation is the process in which

Choices

Choice (4)Response

a.

Solid changes to gas

b.

Gas changes to liquid

c.

Liquid changes to solid

d.

Liquid changes to gas

Question 1735

Question

MCQ▾

Radon is radioactive and it belongs to the family of ________ gases.

Choices

Choice (4)Response

a.

Noble

b.

Oxygen

c.

Halogen

d.

All of the above

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