Metals and Non - Metals [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 1 - 9 of 90

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Question 1

Question MCQ▾

what are A and B in the above reaction?

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 2

Question MCQ▾

What are x and y in the above reaction?

Choices

Choice (4)Response

a.

and

b.

and

c.

and

d.

and

Edit

Question 3

Question MCQ▾

What is the chemical formula of super phosphate of lime?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4

Question MCQ▾

Phosphorous pentoxide in mainly used as?

Choices

Choice (4)Response

a.

Drying agent

b.

Reducing agent

c.

Hydrating agent

d.

Oxidizing agent

Edit

Question 5

Question MCQ▾

this reaction is an example of … process?

Choices

Choice (4)Response

a.

Self reduction

b.

Calcination

c.

Electrolysis

d.

Auto reduction

Edit

Question 6

Question MCQ▾

Which of the following metal is used as reducing agent in thermite process?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 7

Question MCQ▾

Which observation is true from the following reactions

Choices

Choice (4)Response

a.

C is reduced

b.

Metal oxide oxidized

c.

Metal oxide reduced

d.

None of the above

Edit

Question 8

Question MCQ▾

Select the metal from the following that does not react with sulphuric acid ?

Choices

Choice (4)Response

a.

Zinc

b.

Iron

c.

Magnesium

d.

Gold

Edit

Question 9

Question MCQ▾

Which of the following is used calico printing, print industry and to joining the pieeces of china clay?

Choices

Choice (4)Response

a.

Water glass

b.

Calcium Chloride

c.

Silicones

d.

Carborandum

Edit