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Question 1:

The chemical name of _______ is calcium sulphate hemihydrate?

Question 2:

In which of the following classifications are the elements arranged in the order of their increasing atomic number?

Question 3:

One way of dating fossils is by detecting the ratio of different _______of the same element in the fossil material.

Question 4:

The term 'mole' was introduced by ______________ around 1896.

Question 5:

What is the sodium salt of soap?

Question 6:

  The chemical name of washing soda is ____.

Question 7:

The monomer Caprolactam is polymerised to obtain which polymer?

Question 8:

The alloy Rose gold contains which other metal besides gold?

Question 9:

Which of the following elements has the smallest atomic radius?

Question 10:

What is used in car battery?