Chemistry Which one of the following elements is used in the manufacture of safety matches? Graphite Sodium Phosphorus Silicon Graphite Sodium Phosphorus Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Nitric oxide Chlorofluorocarbon Hydrogen Carbon dioxide Nitric oxide Chlorofluorocarbon Hydrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium Carbonate is commonly known as Caustic Soda Baking Soda Caustic Potash Washing Soda Caustic Soda Baking Soda Caustic Potash Washing Soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry One of the constituents of tear gas is Ethane Ethanol Ether Chloropicrin Ethane Ethanol Ether Chloropicrin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS