Chemistry The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3 2 zero 5 4 2 zero 5 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A bacterium A fungus An insect A seed plant A bacterium A fungus An insect A seed plant ANSWER DOWNLOAD EXAMIANS APP
Chemistry The element with highest first ionisation energy is Lithium Sodium Helium Hydrogen Lithium Sodium Helium Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is known as the 'brown coal'? Lignite Coke Bituminous Anthracite Lignite Coke Bituminous Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used for artificial fruit ripening of green fruit is Acetylene Ethane Ethylene Methane Acetylene Ethane Ethylene Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Fe Hg Ag Na Fe Hg Ag Na ANSWER DOWNLOAD EXAMIANS APP
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