Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Achieve non-hygroscopic property Avoid its decomposition Prevent sulphonation of the monochlorobenzene by the acid catalyst None of these Achieve non-hygroscopic property ANSWER DOWNLOAD EXAMIANS APP
Chemical Process __________ glass is used for the manufacture of optical glass. Flint Soda Pyrex Crooke's Flint Soda Pyrex Crooke's ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Dacron (or terylene) fibres as compared to nylon's fibres have All of these Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Chemical name of aspirin (an analgesic drug) is Acetylsalicylic acid Nictonic acid Methyl salicylate Calcium acetate Acetylsalicylic acid Nictonic acid Methyl salicylate Calcium acetate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Systemic insecticides Emit poisonous vapour Are stomach poisons Are absorbed throughout the plant Kill insects following external bodily contact Emit poisonous vapour Are stomach poisons Are absorbed throughout the plant Kill insects following external bodily contact ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Industrial production of chloroform requires acetone and Phosgene Chlorine Calcium hypochlorite Ammonium chloride Phosgene Chlorine Calcium hypochlorite Ammonium chloride ANSWER DOWNLOAD EXAMIANS APP
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