Chemistry Of the following compounds of calcium, the one having highest covalent character is Cacl2 CaF2 CaBr2 Cal2 Cacl2 CaF2 CaBr2 Cal2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane Carbon monoxide Nitrogen dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbonate Calcium chloride Calcium sulphide Calcium carbide Calcium carbonate Calcium chloride Calcium sulphide Calcium carbide ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of CO2 SO2 Unburnt petrol CO CO2 SO2 Unburnt petrol CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Copper Cadmium Lead Chromium Copper Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser Gas laser ANSWER DOWNLOAD EXAMIANS APP