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प्रश्न
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
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उत्तर
Oxygen is collected by the downward displacement of water.
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संबंधित प्रश्न
Why is oxygen collected by downward displacement of water?
What happens when mercuric oxide is heated?
What happens when potassium nitrate is heated
Fill in the blank space by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
Every nine parts of water by weight contains eight parts by weight of _________.
What happens when Magnesium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Give balanced equation to obtain oxygen from Silver oxide.
Statement given below is incorrect. Write the correct statement :
Calcium burns in oxygen with a golden-yellow flame.
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 :
Mention the physical properties of oxygen.
