Chemical Process Permanent hardness of water can be removed by Passing it through cation & anion exchangers Simply boiling Adding alum All of these Passing it through cation & anion exchangers Simply boiling Adding alum All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pure rectified spirit contains about __________ percent alcohol. 45 99.5 70 95 45 99.5 70 95 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Which of the following has sodium bicarbonate as its main constituent ? Baking powder Washing soda Baking soda None of these Baking powder Washing soda Baking soda None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Roasting of metallurgical ores is done mainly to Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore Remove CO₂ & H₂O Dehydrate it Remove arsenic & sulphur Sinter the ore ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Pick out the true statement pertaining to water treatment. Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely Activated carbon can be used for taste & odour control without subsequent filtration Normally, the turbidity is removed by adding a coagulent prior to sedimentation Application of activated carbon reduces the temporary hardness of water Slow sand filters can remove colour completely ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent. Cationic Semi polar Amphoteric Anionic Cationic Semi polar Amphoteric Anionic ANSWER DOWNLOAD EXAMIANS APP
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