1
Which oxide shows amphoteric behavior?
2
The brown color of photochemical smog is due to:
3
Which metal is commonly extracted by electrolysis?
4
Photochemical smog is more common in:
5
Which metal does not react with dilute acids?
6
Which oxide reacts with sodium hydroxide?
7
Which gas is released during the reaction of zinc with dilute sulphuric acid?
8
Which oxide is neutral?
9
Which metal reacts slowly with cold water?
10
Which metal is least reactive?
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