Chemistry Galena is a mineral of Calcium Lead Gold Iron Calcium Lead Gold Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main source of lead pollution is from Insecticides Sewage Tobacco Leaded gasoline Insecticides Sewage Tobacco Leaded gasoline ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following minerals is found in Monazite sand ? Potassium Thorium Sodium Uranium Potassium Thorium Sodium Uranium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of nitrogen present in ammonium sulphate is : 0.27 0.305 0.25 0.18 0.27 0.305 0.25 0.18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The strongest acid of the following is M-nitrophenol P-nitrophenol O-nitrophenol P-chlorophenol M-nitrophenol P-nitrophenol O-nitrophenol P-chlorophenol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Suspension particles have the size between 10–8 – 10–10cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–5 – 10–7cm 10–8 – 10–10cm 10–2 – 10–4 cm 10–1 – 10–2 cm 10–5 – 10–7cm ANSWER DOWNLOAD EXAMIANS APP