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प्रश्न
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
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उत्तर
Oxygen is neutral in nature, So, it does not affect blue litmus paper. Whereas Carbon dioxide is slightly acidic in nature, So, it changes blue litmus to slightly pink.
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संबंधित प्रश्न
Two substances which undergo rapid oxidation.
What happens when a glowing splinter is introduced in a jar containing oxygen ?
Why is potassium chlorate not used for laboratory preparation of oxygen ?
Give four uses of oxygen.
Fill in the blank :
Oxygen occupies about _____% of air by volume.
Complete and balance the following equation
Al + O2 →
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
State any four physical properties of oxygen gas.
State three uses of oxygen, other than artificial respiration.
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
