Chemistry The lowest layer of earth's atmosphere is Ionosphere Troposphere Stratosphere Mesosphere Ionosphere Troposphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal chiefly used for galvanising iron is : Mercury Zinc Tin Cadmium Mercury Zinc Tin Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by NO2 Chlorogluorocarbons NO SO2 NO2 Chlorogluorocarbons NO SO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Compressed and hardened biomass Crude oil Coke Deposit of animal waste Compressed and hardened biomass Crude oil Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper substances when exposed to air gains a green coating due to the formation of: CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 CuO CuSO4 CuCO3 Cu(OH)2 Cu(NO3)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Acetic acid Citric acid Oxalic acid Formic acid Acetic acid Citric acid Oxalic acid ANSWER DOWNLOAD EXAMIANS APP
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