Chemical Process Which of the following is not responsible for causing permanent hardness of water? MgCl₂ None of these Ca(HCO₃)₂ CaCl₂ MgCl₂ None of these Ca(HCO₃)₂ CaCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of chlorine in the treatment of sewage Causes bulking of activated sludge Helps in grease separation Increases the biological oxygen demand(BOD) Aids in flocculation Causes bulking of activated sludge Helps in grease separation Increases the biological oxygen demand(BOD) Aids in flocculation ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Both A & B Deaeration Dechlorination Neither A nor B Both A & B Deaeration Dechlorination Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Phthalic anhydride is produced by the oxidation of Toluene Benzene Aniline Naphthalene Toluene Benzene Aniline Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitrogen is an essential component of Mineral salts Carbohydrates Fats Proteins Mineral salts Carbohydrates Fats Proteins ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Grignard reagent is chemically known as Dichlorophenol Ethyl magnesium chloride Monochloro acetic acid Methyl magnesium chloride Dichlorophenol Ethyl magnesium chloride Monochloro acetic acid Methyl magnesium chloride ANSWER DOWNLOAD EXAMIANS APP
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