Chemistry Gobar gas contains mainly : Acetylene Methane Propylene Ethylene Acetylene Methane Propylene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide Carbon monoxide Sulphur dioxide Carbon dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which is secreted by the glands in the stomach wall is Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid Nitric acid Hydrochloric acid Sulphuric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Where does the oxygen that keeps us alive come from? Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil Carbon dioxide Oxides of minerals Water Carbonates absorbed from soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 zero 4 5 2 zero 4 5 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Silver Copper Mercury Gold Silver Copper Mercury Gold ANSWER DOWNLOAD EXAMIANS APP
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