Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these Ca(HCO₃)₂ MgCl₂ CaCl₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium bisulphite is used for __________ water. Deaeration Dechlorination Both A & B Neither A nor B Deaeration Dechlorination Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Sodium salt of higher molecular weight fatty acid is termed as the __________ soap. Metallic Soft Lubricating Hard Metallic Soft Lubricating Hard ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ is the major constituent of the Portland cement. Tricalcium silicate Calcium carbonate Calcium oxide Calcium sulphate Tricalcium silicate Calcium carbonate Calcium oxide Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Isopropyl benzene produced by alkylation of benzene with propylene is known as Mercaptans Cumene Gelatin Neoprene Mercaptans Cumene Gelatin Neoprene ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Cation exchanger is regenerated usually with Hydrazine Alum solution H₂SO₄ NaOH Hydrazine Alum solution H₂SO₄ NaOH ANSWER DOWNLOAD EXAMIANS APP
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