Chemistry In chemical terms, what are alums used for purifying water for drinking purposes ? Double nitrate Double sulphates Nitrates of aluminium Hydrated chlorides Double nitrate Double sulphates Nitrates of aluminium Hydrated chlorides ANSWER DOWNLOAD EXAMIANS APP
Chemistry Haloarenes are more stable than haloalkanes due to Hyper conjugative effect Inductive effect All of them Resonance effect Hyper conjugative effect Inductive effect All of them Resonance effect ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–1 – 10–2 cm 10–8 – 10–10cm 10–2 – 10–4 cm 10–5 – 10–7cm 10–1 – 10–2 cm 10–8 – 10–10cm 10–2 – 10–4 cm 10–5 – 10–7cm ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of major air pollutant is Helium Oxygen Carbon monoxide Carbon dioxide Helium Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass is made of Copper and tin Copper, tin and zinc Tin and lead Copper and zinc Copper and tin Copper, tin and zinc Tin and lead Copper and zinc ANSWER DOWNLOAD EXAMIANS APP
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