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Halogens and Noble Gases - 12
1.
OF is the common oxide of fluorine.
a) True
b) False
2.
When chlorine reacts with NaOH at low temperature it produces NaOCl.
a) True
b) False
3.
Oxygen containing acids of fluorine are reasonably stable.
a) False
b) True
4.
An acid whose parent atom has an oxidation state lower than the -ic acid is called -ous acid.
a) False
b) True
5.
Bleaching powder is suitable for bleaching cotton, linen and paper.
a) False
b) True
6.
Freons is the commercial name for large sized ctrloro flouro carbon.
a) True
b) False
7.
Ethylene dibromide is added to leaded gasoline to save the engine from lead oxide an lead sulphate deposits.
a) True
b) False
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