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Chemistry CBSE Live product
Class 7
The World of Metals and Non-metals
Effect of air on materials
2.
Oxides of materials
Question:
4
m.
Answer the
given question
:
1.
How does the active metals and non-metals reacts with oxygen? What is the nature of the products formed?
i. Reaction of
metals
with oxygen:
Forms metal oxide which is neutral in nature
Forms non-metal oxide which is basic in nature
Forms metal oxide which is basic in nature
Forms metal oxide which is acidic in nature
Reaction:
Metal + Hydrogen → Metal oxide
Metal + Oxide → Metal oxide
Metal + Oxygen → Metal oxide
Metal + Oxygen → Metal oxygen
ii. Reaction of
non-metals
with oxygen:
Forms metal oxide which is basic in nature
Forms non-metal oxide which is basic in nature
Forms non-metal oxide which is neutral in nature
Forms non-metal oxide which is acidic in nature
Reaction:
Non-metal + Oxide → Non-metal oxide
Non-metal + Oxygen → Non-metal oxide
Non-metal + Hydrogen → Non-metal oxide
Non-metal + Oxygen → Metal oxide
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