Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Lead Cadmium Copper Chromium Lead Cadmium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of hydrogen bonds between guanine and cytosine in DNA is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of ‘Coca Cola’ is due to the presence of Phosphoric acid Formic acid Hydrochloric acid Acetic acid Phosphoric acid Formic acid Hydrochloric acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 CuSO4 CuO Cu(NO3)2 CuCO3 Cu(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Inductive effect Hyper conjugative effect Resonance effect All of them Inductive effect Hyper conjugative effect Resonance effect All of them ANSWER DOWNLOAD EXAMIANS APP
Chemistry Vulcanization of rubber is carried out by adding Phosphorus Sulphur Carbon Ozone Phosphorus Sulphur Carbon Ozone ANSWER DOWNLOAD EXAMIANS APP
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