Chemistry Diamond is harder than graphite because of : Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond Difference of crystalline structures None of these Difference in layers of atoms Tetrahedral structure of diamond ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is present under pressure in soft drinks? Nitrogen Nitrous oxide Oxygen Carbon dioxide Nitrogen Nitrous oxide Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Most commonly used bleaching agent is Chlorine Sodium chloride Alcohol Carbon dioxide Chlorine Sodium chloride Alcohol Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main constituent of biogas is Methyl alcohol Oxygen Methane Acetic acid Methyl alcohol Oxygen Methane Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be Copper Zinc Silver Aluminium Copper Zinc Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Tin Aluminium Copper Iron Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
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