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प्रश्न
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
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उत्तर
Alkaline pyrogallol solution turns brown when oxygen is passed through it.
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संबंधित प्रश्न
The most abundant element in the earth’s crust.
Two substances which undergo rapid oxidation.
What happens when a glowing splinter is introduced in a jar containing oxygen ?
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
Why is potassium chlorate is not used for laboratory preparation of oxygen ?
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
Write ‘True’ or ‘False’ in front of following statement.
Under laboratory conditions, the oxygen gas is insoluble in water.
Tick (√ ) the most appropriate answer.
Sodium burns in oxygen with a flame which is :
State any four physical properties of oxygen gas.
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
