Oxygen, water, blue, red, non-metals.
Questions may be:
1. Which gas is formed when sulphur reacts with oxygen?
2. What is the nature of oxides of non-metals?
Oxygen, water, blue, red, non-metals.
Questions may be:
1. Which gas is formed when sulphur reacts with oxygen?
2. What is the nature of oxides of non-metals?
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