Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Oxygen All of them Carbon dioxide Hydrogen Oxygen All of them Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Copper Iron Aluminium Tin Copper Iron Aluminium Tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor produce neutrons convert fast moving neutrons into thermal neutrons react with U to release energy undergo combustion which triggers the nuclear fission produce neutrons convert fast moving neutrons into thermal neutrons react with U to release energy undergo combustion which triggers the nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aspirin is chemically known as Acetylsalicylic acid Alkylsalicylic acid Hydroxysalicylate Methyl salicylate Acetylsalicylic acid Alkylsalicylic acid Hydroxysalicylate Methyl salicylate ANSWER DOWNLOAD EXAMIANS APP
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