Chemistry An example of replenishable energy source is– Petroleum Lignite Coal Biomass Petroleum Lignite Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation levigation leaching liquation magnetic separation levigation leaching liquation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Oxygen Nitrogen Hydrogen Helium Oxygen Nitrogen Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The hardest form of carbon is charcoal coke diamond graphite charcoal coke diamond graphite ANSWER DOWNLOAD EXAMIANS APP
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