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प्रश्न
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
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उत्तर
The oxygen gas does not turn moist blue litmus red.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
What happens when mercuric oxide is heated?
Fill in the blank:
Oxygen occupies about ______ of air by volume.
State two characteristics of Acidic oxides.
Statement given below is incorrect. Write the correct statement :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
The catalyst used in the preparation of oxygen from hydrogen peroxide is :
Tick (√ ) the most appropriate answer.
When sulphur burns in oxygen, the colour of the flame is :
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
Give reason for the following:
Oxidation of sulphur results in a product which turns moist blue litmus red.
