Chemistry Tar roads get damaged if there is No maintenance Stagnation of water on road Heavy traffic No sloping No maintenance Stagnation of water on road Heavy traffic No sloping ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 4 to 5 per cent 3 to 4 per cent 5 to 6 per cent 2 to 3 per cent 4 to 5 per cent 3 to 4 per cent 5 to 6 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide level in the atmosphere can be reduced by using More efficient car engines Static electricity to attract it in factory chimneys Low - sulphur fuels Catalytic converters in industry More efficient car engines Static electricity to attract it in factory chimneys Low - sulphur fuels Catalytic converters in industry ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 5 3 8 13 5 3 8 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Cadmium Lead Chromium Copper Cadmium Lead Chromium Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser ANSWER DOWNLOAD EXAMIANS APP