Chemical Process Temporary hardness of water can be removed by Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling Addition of lime Filtration (through gravity sand filter) Addition of alum (a coagulant) Boiling Addition of lime ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chloral is used in the manufacture of BHC DDT None of these Parathion BHC DDT None of these Parathion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Nitrogen is an essential component of Fats Proteins Carbohydrates Mineral salts Fats Proteins Carbohydrates Mineral salts ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? Xanthates Stearic acid Formic acid Calcium & aluminium stearate Xanthates Stearic acid Formic acid Calcium & aluminium stearate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical formula of oleum is H₂SO₇ H₂S₂O₇ H₂SO₄ H₂SO₃ H₂SO₇ H₂S₂O₇ H₂SO₄ H₂SO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The process used for the manufacture of ethyl alcohol from molasses is Dehydrogenation Distillation None of these Dehydration Dehydrogenation Distillation None of these Dehydration ANSWER DOWNLOAD EXAMIANS APP
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