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Question 1:

The common name for ethanoic acid is

Question 2:

What is the unit of calculation for a chemist?

Question 3:

How many groups and periods are present in the modern periodic table?

Question 4:

The molecular mass of $\mathrm{CO}$ is _______?

Question 5:

The chemical formula of sodium sulphate is:

Question 6:

The reaction in which electricity is passed through 10 % NaCl is called

Question 7:

Most electronegative element is ________

Question 8:

The smallest of the elements given below is in size.

Question 9:

Sodium metal is stored in __________ .

Question 10:

Which of the following substitutes has amorphous (amorphous) allotropes of carbon?