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Chemical Engineering — Test 45

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Question 1
Wood charcoal is used for decolouration of sugar, because it _______________ the coloured materials?
Question 2
Thermal pyrolysis of ethylene dichloride produces___________________?
Question 3
Argon is the third largest constituent of air (followed by N2 & O2). Its percentage by volume in air is___________________?
Question 4
Diaphragm electrolytic cell as compared to mercury electrolytic cell_____________________?
Question 5
Concentration of sulphide ores is done usually by____________________?
Question 6
Bleaching of paper pulp is done with__________________?
Question 7
Which of the following processes is absent in glass manufacturing process ?
Question 8
90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at _____________ °C ?
Question 9
Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have___________________?
Question 10
Bromine is used in the preparation of___________________?