Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 2 4 3 5 2 4 3 5 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a method of preparing oxygen? Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide Electrolysis of water Fractional distillation of liquid air Decomposition of potassium permanganate Decomposition of manganese dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Zinc Antimony Lead Chromium Zinc Antimony Lead Chromium ANSWER DOWNLOAD EXAMIANS APP
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