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1.
Ammonium compound not used as a fertilizer is:
2.
At ordinary temperature and pressure, among halogens, chlorine is a gas, bromine is a liquid and iodine is a solid. This is because:
3.
Sulphur forms the chlorides 
and 
The equivalent mass of Sulphur in 
is 16 g/mol. Therefore, the equivalent mass of Sulphur in 
and The equivalent mass of Sulphur in is 16 g/mol. Therefore, the equivalent mass of Sulphur in
4.
Javelle water is:
5.
The strongest acid is:
6.
Orthophosphoric acid on heating gives:
7.
Which oxide is more acidic?
8.
product, the final product is
product, the final product is
9.
10.
The gas used for inflating the tyres of aeroplanes is: