NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1849 - 1857 of 2028

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Question 1849

Question

MCQ▾

Which of the following is involved to the process of “carbonisation” ?

Choices

Choice (4)Response

a.

Coal

b.

Coke

c.

Petroleum

d.

Hydrocarbons

Question 1850

Question

MCQ▾

How many types of oxides will be formed when phosphorus combined with oxygen?

Choices

Choice (4)Response

a.

Four

b.

One

c.

Two

d.

Three

Question 1851

Question

MCQ▾

From which of the following, synthetic petroleum is artificially produced.

Choices

Choice (4)Response

a.

Coal

b.

Wood

c.

L. P. G

d.

Petroleum

Question 1852

Question

MCQ▾

Which of the following non-metal is so hard in nature?

Choices

Choice (4)Response

a.

Diamond

b.

Chlorine

c.

Graphite

d.

Sulphur

Question 1853

Question

MCQ▾

Water gas is a mixture of?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1854

Question

MCQ▾

Name the metal that involved in the process of “Tinning” ?

Choices

Choice (4)Response

a.

Copper

b.

Zinc

c.

Tin

d.

Magnesium

Question 1855

Question

MCQ▾

Petroleum is also known as?

Choices

Choice (4)Response

a.

Fossil fuel

b.

Black gold

c.

Hydrocarbon

d.

All a., b. and c. are correct

Question 1856

Question

MCQ▾

When 1 gram of fuel is completely burned, the heat produced is termed as?

Choices

Choice (4)Response

a.

Heat capacity

b.

Vapour density

c.

Boiling point

d.

Calorific value

Question 1857

Question

MCQ▾

Select the non-metal which is a good conductor of electricity?

Choices

Choice (4)Response

a.

Silicon

b.

Phosphorous

c.

Graphite

d.

Sulphur

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