Chemistry Which metal is the heaviest in periodic table among the following ? Pb W Os Pt Pb W Os Pt ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Lignite Coal Biomass Petroleum Lignite Coal Biomass Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Photochemical reaction Endothermic reaction Exothermic reaction Physical change Photochemical reaction Endothermic reaction Exothermic reaction Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is extracted from sea water? Potassium Beryllium Magnesium Aluminium Potassium Beryllium Magnesium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for filling weather balloons is Helium Nitrogen Hydrogen Air Helium Nitrogen Hydrogen Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of ozone layer is due to Carbon dioxide Chloro fluoro carbon Ethane Sulphur dioxide Carbon dioxide Chloro fluoro carbon Ethane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
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