RRB GROUP D Chemistry Quiz - 46

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Question 1:

Good conductor of electricity is –

Question 2:

Bromine is a -

Question 3:

What is the general property of fourth group oxides?

Question 4:

A mixture of carbon monoxide and hydrogen , which is starting material for manufacturing of number of organic compounds is

Question 5:

Chemicals like phosphates present in fertilizers or detergents mix in water bodies cause excessive growth of-