8116261
Description
Quiz by Rupinder Sahni, updated more than 1 year ago
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Created by Rupinder Sahni
about 7 years ago
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Question 1
Question
Air is a mixture of
Answer
-
gases
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elements
-
compounds
Question 2
Question
Examples of pure substances
Answer
-
air
-
cough syrup
-
icecream
-
smoke
Question 3
Question
a pure substance having one atom is an element
Answer
- True
- False
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