Chemistry DDT and BHC may act as Asthematic agents Allergens Carcinogens None of these Asthematic agents Allergens Carcinogens None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a greenhouse gas ? Nitric oxide Hydrogen Chlorofluorocarbon Carbon dioxide Nitric oxide Hydrogen Chlorofluorocarbon Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hydrogen is not found in atmosphere because It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water It is highly inflammable It is absorbed by plants It is the lightest gas It immediately combines with oxygen to form water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Chlorine Oxygen Phosphorus Sulphur Chlorine Oxygen Phosphorus Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Helium Krypton Argon Neon Helium Krypton Argon Neon ANSWER DOWNLOAD EXAMIANS APP