Chemistry The two metal ions that cause hardness to water are: Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium Calcium, Magnesium Sodium, Calcium Sodium, Potassium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which colour is produce by Arsenic during flame test Blue Crimson Green Red Blue Crimson Green Red ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Neon Krypton Helium Argon Neon Krypton Helium Argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Substance used as an anti freeze in radiators of automobiles is : Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O Ethyl alcohol and H2O Ethyl alcohol Methyl alcohol Methyl alcohol and H2O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Bauxite Calamine Haematite Chalcopyrites Bauxite Calamine Haematite Chalcopyrites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Williamson's synthesis is widely used in the laboratory preparation of Aldehydes Esters Ethers Alcohols Aldehydes Esters Ethers Alcohols ANSWER DOWNLOAD EXAMIANS APP
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