Quiz by Rupinder Sahni, created more than 1 year ago

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	Created by Rupinder Sahni about 7 years ago

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Chemistry Quiz on Air

Question 1 of 3

1

Air is a mixture of

Select one of the following:

gases
elements
compounds

Explanation

Question 2 of 3

1

Examples of pure substances

Select one or more of the following:

air
cough syrup
icecream
smoke

Explanation

Question 3 of 3

1

a pure substance having one atom is an element

Select one of the following:

True
False

Explanation