Chemistry Which among the following coal contains 90 per cent of carbon? Anthracite Peat Lignite Bitumen Anthracite Peat Lignite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.5 mole 0.2 mole 0.25 mole 0.4 mole 0.5 mole 0.2 mole 0.25 mole 0.4 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is Carbanion Free radical Carbocation Carbene Carbanion Free radical Carbocation Carbene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the highest electronegativity value Fluorine Chlorine Nitrogen Lithium Fluorine Chlorine Nitrogen Lithium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Red phosphorus Violet phosphorus Black phosphorus White phosphorus Red phosphorus Violet phosphorus Black phosphorus White phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Wood Coke Natural gas Coal Wood Coke Natural gas Coal ANSWER DOWNLOAD EXAMIANS APP
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