Chemistry An example of replenishable energy source is– Coal Lignite Biomass Petroleum Coal Lignite Biomass Petroleum ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lightest gas which is non-inflammable is Nitrogen Hydrogen Oxygen Helium Nitrogen Hydrogen Oxygen Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is ozone helium oxygen methane ozone helium oxygen methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Glucose Urea Uric acid Lactic acid Glucose Urea Uric acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Refrigerant 'FREON' is Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane Fluorspar and Felspar Calcium Tetra Fluoride Hydrofluosilicic Acid Difluoro Dichloro Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Alloy formation Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating ANSWER DOWNLOAD EXAMIANS APP
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