Chemistry Which among the following coal contains 90 per cent of carbon? Bitumen Lignite Peat Anthracite Bitumen Lignite Peat Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 '6.023 × 10–23 6.023 × 1020 6.023 × 1023 '6.023 × 10–20 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? Na2O + K2O Al2O3 CaSO4, 2H2O CaO Na2O + K2O Al2O3 CaSO4, 2H2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following does not form oxyacid ? Sulphur Nitrogen Chlorine Fluorine Sulphur Nitrogen Chlorine Fluorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Styrene Butadiene Ethylene Isoprene Styrene Butadiene Ethylene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO2and H2 CO2 and CO CO and H2 CO and H2O CO2and H2 CO2 and CO CO and H2 CO and H2O ANSWER DOWNLOAD EXAMIANS APP