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1.
Calcination of limestone is not done in a __________ kiln for producing lime.
2.
Magnesium and calcium __________ cause temporary hardness of water.
3.
Function of sodium thiosulphate (hypo) in development of photographic film/plate is to
4.
Trinitrotoluene (TNT), an explosive, is made by the nitration of
5.
More than 100 percent of __________ is present in oleum.
6.
Le-Blanc process is a primitive process for the manufacture of
7.
Type of glass used in optical work is the __________ glass.
8.
A bio-catalyst produced by living cells which acts independent of the cell is called a/an
9.
The basic constituent of vegetable oils is
10.
What products do we get on electrolysis of saturated brine using steel cathode and graphite anode in an electrolytic cell ?