Chemical Process Permanent hardness of water can be removed by Adding alum Simply boiling Passing it through cation & anion exchangers All of these Adding alum Simply boiling Passing it through cation & anion exchangers All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following is not responsible for causing permanent hardness of water? None of these MgCl₂ CaCl₂ Ca(HCO₃)₂ None of these MgCl₂ CaCl₂ Ca(HCO₃)₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Starting material for the production of styrene butadiene rubber (SBR) is Ethylene Ethyl alcohol Neither A nor B Both A & B Ethylene Ethyl alcohol Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Slow sand filters can remove colour completely Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Normally, the turbidity is removed by adding a coagulent prior to sedimentation Activated carbon can be used for taste & odour control without subsequent filtration Application of activated carbon reduces the temporary hardness of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Fusel oil is a/an Extract from medicinal herbs None of these Essential oil Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) Extract from medicinal herbs None of these Essential oil Mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses) ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Function of thinner in a paint is to Suspend pigments & dissolve film forming materials Form a protective film Prevent gelling of the paint Accelerate the oxidation of oil Suspend pigments & dissolve film forming materials Form a protective film Prevent gelling of the paint Accelerate the oxidation of oil ANSWER DOWNLOAD EXAMIANS APP
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