Chemical Process __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. Chromates Sulphates Phosphates Bi-carbonates Chromates Sulphates Phosphates Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Deaeration of water in its treatment is necessary, as it Minimises its corrosiveness None of these Minimises its turbidity Helps in controlling its taste and odour Minimises its corrosiveness None of these Minimises its turbidity Helps in controlling its taste and odour ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Use of water having dissolved oxygen in boilers promotes Scale formation None of these Sequestration Corrosion Scale formation None of these Sequestration Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Parathion and Malathion are Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters Pesticides Tranquilisers Pain-relieving drugs (analgesic) Plasticisers for unsaturated polysters Pesticides Tranquilisers ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to None of these Prevent sulphonation of the monochlorobenzene by the acid catalyst Achieve non-hygroscopic property Avoid its decomposition None of these Prevent sulphonation of the monochlorobenzene by the acid catalyst Achieve non-hygroscopic property Avoid its decomposition ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of Hydrochloric acid Nitric acid Formic acid Methyl alcohol Hydrochloric acid Nitric acid Formic acid Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP