Chemical Process Which of the following is not responsible for causing permanent hardness of water? Ca(HCO₃)₂ CaCl₂ None of these MgCl₂ Ca(HCO₃)₂ CaCl₂ None of these MgCl₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Hydrazine is largely used In printing industry As rocket fuel In photographic industry As a starting material for 'hypo' In printing industry As rocket fuel In photographic industry As a starting material for 'hypo' ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to Increase its viscosity Reduce its viscosity Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature Increase its viscosity Reduce its viscosity Increase the variation in its viscosity with temperature Reduce the variation in its viscosity with temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaCl(OCl) is the chemical formula of Aqua regia Bleaching powder Plaster of paris Hypo Aqua regia Bleaching powder Plaster of paris Hypo ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Lubricating greases are a mixture of Mineral oil and metallic soap Fatty oil and metallic soap Mineral oil, soap and additives Mineral oil and fatty oil Mineral oil and metallic soap Fatty oil and metallic soap Mineral oil, soap and additives Mineral oil and fatty oil ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is used as a coagulant in treating turbid water? Calcium sulphate Activated carbon Chlorine Ferric sulphate Calcium sulphate Activated carbon Chlorine Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
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