Chemistry Number of neutrons in an atom of hydrogen is Zero One Three Two Zero One Three Two ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Sulphur dioxide Carbon monoxide Chlorine Carbon dioxide Sulphur dioxide Carbon monoxide Chlorine Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the number of moles of CO2 which contains 16 g of oxygen? 0.2 mole 0.4 mole 0.25 mole 0.5 mole 0.2 mole 0.4 mole 0.25 mole 0.5 mole ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Crude oil Deposit of animal waste Compressed and hardened biomass Coke Crude oil Deposit of animal waste Compressed and hardened biomass Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical name of vinegar is Acetic acid Ethanol Formaldehyde Acetone Acetic acid Ethanol Formaldehyde Acetone ANSWER DOWNLOAD EXAMIANS APP
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