Chemistry-Metals and Non-Metals [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 1 - 8 of 45

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Question number: 1

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following metal is known as noble metal?

Choices

Choice (4)Response

a.

Lithium

b.

Mercury

c.

Gold

d.

Caesium

Question number: 2

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Identity the alloy of aluminium and ( magnesium metals ?

Choices

Choice (4)Response

a.

Alnico

b.

Duralumin

c.

t-metal

d.

Magnalium

Question number: 3

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Decay of metal by water, oxygen and other chemicals is called?

Choices

Choice (4)Response

a.

Amalgamation

b.

Oxidation

c.

Carbonisation

d.

Corrosion

Question number: 4

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

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 number: 5

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Diamond

b.

Chlorine

c.

Graphite

d.

Sulphur

Question number: 6

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Copper

b.

Zinc

c.

Tin

d.

Magnesium

Question number: 7

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Silicon

b.

Phosphorous

c.

Graphite

d.

Sulphur

Question number: 8

» Chemistry » Metals and Non-Metals

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MCQ▾

Question

Which of the following ionic species are formed by metals?

Choices

Choice (4)Response

a.

Anions

b.

Cations & Anions

c.

Cations

d.

Do not form ions

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