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प्रश्न
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
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उत्तर
Sulphur bums with a bright bluish flame, giving the pungent smell of sulphur dioxide.
\[\ce{S + O2 ->[heat] SO2 + heat}\]
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संबंधित प्रश्न
The most abundant element in the earth’s crust.
Two substances from which oxygen can be obtained at a large scale.
Fill in the blank :
____________ discovered the oxygen gas.
Fill in the blank :
Oxygen occupies about _____% of air by volume.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Potassium nitrate crystals on heating strongly yield potassium nitrite and ________ gas.
Write fully balanced equation for the following :
SO2 + H2O →
Give tests for oxygen gas.
Give reason for the following:
Oxygen gas does not affect moist blue litmus paper, but carbon dioxide turns it slightly pink.
