Chemical Process __________ is the major constituent of the Portland cement. Calcium sulphate Calcium oxide Calcium carbonate Tricalcium silicate Calcium sulphate Calcium oxide Calcium carbonate Tricalcium silicate ANSWER DOWNLOAD EXAMIANS APP
Chemical Process DDT should not be allowed to come in contact with iron (during its manufacture) to Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition Achieve non-hygroscopic property None of these Prevent sulphonation of the monochlorobenzene by the acid catalyst Avoid its decomposition Achieve non-hygroscopic property None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Paper grade bamboo contains about __________ percent cellulose. 40 5 60 20 40 5 60 20 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process CaSO₄ .1/2 H₂O is known as Blue vitriol Plaster of Paris Zeolite Gypsum Blue vitriol Plaster of Paris Zeolite Gypsum ANSWER DOWNLOAD EXAMIANS APP
Chemical Process The compressive strength of cement should not be less than about 110Kg/cm² after three days & not less than 170Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm. 800 4000 1600 8500 800 4000 1600 8500 ANSWER DOWNLOAD EXAMIANS APP
Chemical Process Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. Arsenic Mangnese Copper Chromium Arsenic Mangnese Copper Chromium ANSWER DOWNLOAD EXAMIANS APP
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