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प्रश्न
Describe what you will observe and write fully balanced equation when the following is introduced in a jar of oxygen.
Burning magnesium
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उत्तर
When burning magnesium is taken into the cylinder of oxygen, it bums with a dazzling white flame to form magnesium oxide.
2Mg + O2 → 2MgO
Magnesium Oxygen Magnesium oxide
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संबंधित प्रश्न
A chemical called oxygenated water.
What is the role of manganese dioxide in the preparation of oxygen?
Why is oxygen collected by downward displacement of water?
How is oxygen naturally renewed in air ?
Fill in the blanks:
Oxygen is collected by the __________ displacement of ________.
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
What happens when Magnesium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Write ‘True’ or ‘False’ in front of following statement.
Liquid oxygen is used for burning fuel in spaceships.
(a) Starting from hydrogen peroxide how is oxygen gas prepared in laboratory?
(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?
Mention the physical properties of oxygen.
