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 1

Metals and Non-Metals
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Question

MCQ▾

Which of the following metal is known as noble metal?

Choices

Choice (4)Response
a.Lithium
b.Mercury
c.Gold
d.Caesium

Question 2

Metals and Non-Metals
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Question

MCQ▾

Identity the alloy of aluminium and ( magnesium metals?

Choices

Choice (4)Response
a.Alnico
b.Duralumin
c.t-metal
d.Magnalium

Question 3

Metals and Non-Metals
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Question

MCQ▾

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

Choices

Choice (4)Response
a.Amalgamation
b.Oxidation
c.Carbonisation
d.Corrosion

Question 4

Metals and Non-Metals
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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 5

Metals and Non-Metals
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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 6

Metals and Non-Metals
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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 7

Metals and Non-Metals
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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

Question 8

Metals and Non-Metals
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Question

MCQ▾

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