Chemistry Which of the following is used in dating archaeological findings ? 92235U 614C 818O 13H 92235U 614C 818O 13H ANSWER DOWNLOAD EXAMIANS APP
Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Substitution reaction Addition reaction None of the options Elimination reaction Substitution reaction Addition reaction None of the options Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water Carbon dioxide Oxides of minerals Carbonates absorbed from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following electrodes is used in strongly alkaline solution Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode Mercury - mercuric oxide electrode Silver - silver chloride electrode Mercury - mercurous chloride electrode Mercury - mercurous sulphate electrode ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Deposit of animal waste Crude oil Compressed and hardened biomass Coke Deposit of animal waste Crude oil Compressed and hardened biomass Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure ANSWER DOWNLOAD EXAMIANS APP
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