Chemistry In an oxygen molecule, two atoms are united by One bond Four bonds Three bonds Two bonds One bond Four bonds Three bonds Two bonds ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Tap water Ground water Rain water Distilled water Tap water Ground water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is Cacl2 Cal2 CaF2 CaBr2 Cacl2 Cal2 CaF2 CaBr2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane Isobutane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The greenhouse effect is caused by the higher level of which gas in the atmosphere ? Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide Carbon monoxide Carbon dioxide Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP