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प्रश्न
State two characteristics of Basic oxides.
उत्तर
Basic oxide
- Formed when metals are burnt in air
- turn red litmus to blue.
eg. potassium oxide [K2O]
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संबंधित प्रश्न
Why is hydrogen peroxide preferred in the preparation of oxygen gas ?
What happens when potassium nitrate is heated
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The percentage of oxygen in air by volume, varies from 21% to 22%.
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State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
How will you obtain dry oxygen in the laboratory?
State two characteristics of Acidic oxides.
Tick (√ ) the most appropriate answer.
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State any four physical properties of oxygen gas.
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