Chemistry Which one of the following is not a ‘green house gas’ ? Nitrogen Carbon dioxide Methane Chlorofluorocarbons Nitrogen Carbon dioxide Methane Chlorofluorocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Sodium peroxide Hydrogen peroxide Barium peroxide Ozone Sodium peroxide Hydrogen peroxide Barium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Coal Coke Natural gas Wood Coal Coke Natural gas Wood ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Natural gas Coal Uranium Geothermal powder Natural gas Coal Uranium Geothermal powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry When formaldehyde and potassium hydroxide are heated, we get Ethyl formate Methyl alcohol Methane Acetylene Ethyl formate Methyl alcohol Methane Acetylene ANSWER DOWNLOAD EXAMIANS APP
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