OFB Labour Group-C Question Paper - 2014 with Answer Key

OFB Labour Group-C Question Paper - 2014 with Answer Key

21) Atom bomb is based on the principle of

Answer is:

Nuclear fission

22) A mixture of two or more metals is called

Answer is:

Alloy

Explanation:

A mixture of two or more metals is called alloy.

23) A substance that removes dirt and grease from surfaces is called

Answer is:

Detergent

24) Chemically, dry ice is

Answer is:

Solid Carbon dioxide

25) What is measured on Richter scale

Answer is:

Earthquakes

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