Chemistry Which one of the following is known as the 'brown coal'? Anthracite Coke Lignite Bituminous Anthracite Coke Lignite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 4.183 × 107 8.314 × 107 8.341 × 107 8.413 × 107 4.183 × 107 8.314 × 107 8.341 × 107 8.413 × 107 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An example of replenishable energy source is– Biomass Petroleum Coal Lignite Biomass Petroleum Coal Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Sulphur dioxide Smoke Carbon monoxide Carbon dioxide Sulphur dioxide Smoke Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Adsorbent Coagulant aid Oxidizing agent Reducing agent Adsorbent Coagulant aid Oxidizing agent ANSWER DOWNLOAD EXAMIANS APP
Chemistry One carat of diamond is equal to 200 mg 250 mg 100 mg 150 mg 200 mg 250 mg 100 mg 150 mg ANSWER DOWNLOAD EXAMIANS APP