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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
What is the role of manganese dioxide in the preparation of oxygen?
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Oxygen is slightly _________ than air.
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Manganese dioxide acts as a _________.
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State the precautions while preparing oxygen in the labo-ratory.
State two characteristics of Acidic oxides.
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(b) What is the function of manganese dioxide?
(c) Write fully balanced equation for the liberation of oxygen from hydrogen peroxide.
(d) Why is the above method preferred to any other method?
State any four physical properties of oxygen gas.
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