Brass gets discolored in air because of the presence of
which of the following gases in air?
1 Carbon dioxide
2 Oxygen
3 Hydrogen sulphide
4 Nitrogen
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Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
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Atom bomb is based on the principle of 1 Nuclear fusion 2 Nuclear fission 3 Both (a) & (b) 4 None of these
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Rubber is coagulated from latex by adding 1 Hydrochloric acid 2 Acetic acid 3 Sulphuric acid 4 Carbonic acid