Chemistry The gas which emits from rice field is Methane Nitrogen Ethane All of these Methane Nitrogen Ethane All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of N2 CO2 H2 CH4 N2 CO2 H2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Nichrome Copper Silver Iron Nichrome Copper Silver Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Tin Iron Aluminium Copper Tin Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gold dissolves in Aqua-regia Acetic acid Nitric acid Hydrochloric acid Aqua-regia Acetic acid Nitric acid Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbons Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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