Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Alcohol Kerosene oil Ether Oxalic acid Alcohol Kerosene oil Ether ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is usually a mixture of : Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a monoatomic gas? Oxygen Neon Nitrogen Fluorine Oxygen Neon Nitrogen Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following appeared to be with a significant potential for accumulation through food chains ? Lindane DDT Parathion Carbary Lindane DDT Parathion Carbary ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) Gamma rays Ultraviolet rays (UV) X–rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
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