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1.
Margarine is a/an
2.
__________ is an ore concentrating metallurgical process involving a chemical change.
3.
Which of the following is used as a binding material in soap to improve soap texture ?
4.
Flexible foam (for mattresses) is usually made of
5.
Which of the following is the main constituent of the mother liquor produced in salt industry ?
6.
Lubricating greases are a mixture of
7.
Triple superphosphate is manufactured by reacting
8.
Phthalic anhydride is used
9.
Dry ice (solidified CO2) is used for the
10.
The yield of tar from high temperature carbonisation of dry coal is about __________ percent.