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General Science MCQs

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Question 19medium

The gases used in different types of welding would include

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Question 20medium

The property of a substance to absorb moisture from the air on exposure is called

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Question 21easy

In which of the following activities silicon carbide is used?

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Question 22hard

The average salinity of seawater is

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Question 23medium

When an iron nail gets rusted, iron oxide is formed

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Question 24medium

Galvanised iron sheets have a coating of

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Question 25medium

Among the various allotrope of carbon

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Question 26medium

The group of metals Fe, Co, Ni may best called as:

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Question 27medium

Heavy water is:

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