Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish ANSWER DOWNLOAD EXAMIANS APP
Chemistry Coal is formed from Coke Compressed and hardened biomass Crude oil Deposit of animal waste Coke Compressed and hardened biomass Crude oil Deposit of animal waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitric acid does not react with Gold Zinc Iron Copper Gold Zinc Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a micro-element ? Oxygen Nitrogen Hydrogen Chlorine Oxygen Nitrogen Hydrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nuclear particles which are assumed to hold the nucleons together are positrons neutrons electrons mesons positrons neutrons electrons mesons ANSWER DOWNLOAD EXAMIANS APP
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