Chemistry Which of the following is a commercial source of energy? Dried dung Natural gas Sun Agricultural waste Dried dung Natural gas Sun Agricultural waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry The smog is essentially caused by the presence of O2 and O3 Oxides of N and S O2 and N2 O3 and N2 O2 and O3 Oxides of N and S O2 and N2 O3 and N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P2 P1 P3 P4 P2 P1 P3 P4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A purifier for water A disinfectant A fertilizer An analgesic A purifier for water A disinfectant A fertilizer An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name of sodium bicarbonate is Soda lime Soda ash Baking soda Baking powder Soda lime Soda ash Baking soda Baking powder ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS