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1

According to Dalton, atoms are:

2

The atmosphere mainly consists of:

3

Enzymes are chemically:

4

Which hydrocarbon contains only single covalent bonds?

5

Which metal can displace copper from copper sulphate solution?

6

Which property is common in most salts?

7

Which bacteria are responsible for conversion of ethanol into vinegar?

8

Which of the following is an example of condensation polymer?

9

Which hydrocarbon contains a triple bond?

10

Which quantity relates mass to moles?

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