Chemistry Adding Cl2 to benzene in the presence of AlCl3 is an example of : Addition reaction Substitution reaction None of the options Elimination reaction Addition reaction Substitution reaction None of the options Elimination reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases 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
Chemistry Maximum permissible concentration of copper in drinking water in mg/L is 1 2 0.01 0.05 1 2 0.01 0.05 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Caustic soda Soda lime Baking soda Washing soda Caustic soda Soda lime Baking soda Washing soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS