Chemistry What is the element required for solar energy conversion ? Ultra pure carbon Tantalum Silicon Beryllium Ultra pure carbon Tantalum Silicon Beryllium ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Water Glycerine Alcohol Kerosene oil Water Glycerine Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is used in drinking water as a/an Disinfectant Antibiotic Antiseptic Coagulant Disinfectant Antibiotic Antiseptic Coagulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 6.023 x 1023 1.568 x 103 6.023 x 1019 4.84 x 1017 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused due to emission of which of the following in to the atmosphere ? Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide Carbon monoxide and nitrogen Ozone and carbon dioxide Oxides of nitrogen and sulphur Carbon dioxide and carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram 4 x 6.02 x 1023 gram 4.00 gram 1.00 gram 8.00 gram ANSWER DOWNLOAD EXAMIANS APP
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