Chemistry Which one of the following is known as the 'brown coal'? Anthracite Bituminous Coke Lignite Anthracite Bituminous Coke Lignite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials Respiratory and lung disease Reduction in plant's productivity owing to acid rain All of these Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1023 6.023 × 1020 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1023 6.023 × 1020 '6.023 × 10–20 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Coke Crude oil Compressed and hardened biomass Deposit of animal waste Coke Crude oil Compressed and hardened biomass Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene Carbon dioxide and oxygen Butane and propane Carbon monoxide and carbon dioxide Methane and ethylene ANSWER DOWNLOAD EXAMIANS APP
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