Chemistry-Metals and Non-Metals [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 9 - 16 of 45

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Question 9

Question MCQ▾

Which of the following leads to the stability of metals?

Choices

Choice (4)Response

a.

Loss or gain of electrons

b.

Loss of electrons

c.

Gain of electrons

d.

None of the above

Edit

Question 10

Question MCQ▾

Which of the following metal did not give any reaction with Hydrochloric acid (HCl) ?

Choices

Choice (4)Response

a.

Iron –

b.

Aluminium -

c.

Silver –

d.

Magnesium –

Edit

Question 11

Question MCQ▾

Which of the following will be produced if non-metals combine with oxygen?

Choices

Choice (4)Response

a.

Basic oxide

b.

Amphoteric oxide

c.

Acidic oxides

d.

Question does not provide sufficient data or is vague

Edit

Question 12

Question MCQ▾

To which of the following category does the elements Arsenic and Antimony belongs?

Choices

Choice (4)Response

a.

Metalloids

b.

Minerals

c.

Metals

d.

Non-metals

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Question 13

Question MCQ▾

What is the formula of ‘Alumina’ ?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 14

Question MCQ▾

Which of the following is the chemical formula of magnetite?

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Edit

Question 15

Question MCQ▾

Metals can be made into thin sheets. This property is termed as?

Choices

Choice (4)Response

a.

Ductility

b.

Strength

c.

Malleability

d.

Density

Edit

Question 16

Question MCQ▾

Which of the following non-metal is liquid at room temperature?

Choices

Choice (4)Response

a.

Hydrogen

b.

Nitrogen

c.

Bromine

d.

Chlorine

Edit