Chemistry What is used in storage batteries? Tin Copper Lead Zinc Tin Copper Lead Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is boiling distillation adding caustic soda adding sodium carbonate boiling distillation adding caustic soda adding sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Isoprene Ethylene Butadiene Styrene Isoprene Ethylene Butadiene Styrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Extensively used nitrogenous fertilizer is Ammonium nitrate Nitro-lime Ammonium sulphate Urea Ammonium nitrate Nitro-lime Ammonium sulphate Urea ANSWER DOWNLOAD EXAMIANS APP
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