Chemistry Zone refining is used for the purification of Cu Au Ag Ge Cu Au Ag Ge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium bicarbonate is commercially known as Soda lime Baking soda Washing soda Caustic soda Soda lime Baking soda Washing soda Caustic soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chernobyl disaster is the result of pollution by Oil spill Carbon dioxide Acid rain Radioactive waste Oil spill Carbon dioxide Acid rain Radioactive waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry The weight of 6.023 × 1022 atoms of carbon is 0.12 gms 12 gms 120 gms 1.2 gms 0.12 gms 12 gms 120 gms 1.2 gms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major harmful gas emitted by automobile vehicle which causes air pollution is Carbon Monoxide Methane Carbon dioxide Ozone gas Carbon Monoxide Methane Carbon dioxide Ozone gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 7 8 – 14 None 0 – 14 0 – 7 8 – 14 None 0 – 14 ANSWER DOWNLOAD EXAMIANS APP