Chemistry Galena is a mineral of Iron Lead Gold Calcium Iron Lead Gold Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Ethane Methane Propane Butane Ethane Methane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Hydrogen Sulphide Nitrogen Oxygen Carbon dioxide Hydrogen Sulphide Nitrogen Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Oxides of mineral elements Carbonates from soil Water Carbon dioxide Oxides of mineral elements Carbonates from soil Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide Chlorofluorocarbon Nitrogen dioxide Sulphur dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane Parathion DDT Carbary Lindane Parathion DDT Carbary ANSWER DOWNLOAD EXAMIANS APP