Chemistry Which one is the lightest element in the periodic table Helium Hydrogen Oxygen Carbon Helium Hydrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic potash Caustic soda Soda ash Sodium hydroxide Caustic potash Caustic soda Soda ash Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 '6.023 × 10–23 6.023 × 1020 '6.023 × 10–20 6.023 × 1023 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial ripening of green fruit is ethane acetylene ethylene carbon dioxide ethane acetylene ethylene carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not present in German-silver? Zinc Nickel Silver Copper Zinc Nickel Silver Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Peat Anthracite Lignite Bitumen Peat Anthracite Lignite Bitumen ANSWER DOWNLOAD EXAMIANS APP
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