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Chemistry CBSE Live product
Class 7 (2025-26)
The World of Metals and Non-metals
Revision II - The World of Metals and Non-metals
7.
Chemical behaviour of materials with water
Question:
3
m.
Answer the following questions
:
Reaction of materials with water:
i.
Sodium
-
Reacts with cold water
Reacts with steam
Does not react with water
Reacts with hot water
ii.
Calcium + Water
-
Calcium hydroxide
Calcium hydride
Calcium oxides
Calcium dioxide
iii.
Sulphur + Water
-
Sulphur hydroxide
No reaction
Sulphur dioxide
Sulphur oxide
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