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प्रश्न
The natural way of adding oxygen to air which involves green plants is called
विकल्प
photosynthesis
respiration
burning
dissolution
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उत्तर
photosynthesis
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संबंधित प्रश्न
The most abundant element in the earth’s crust.
What is the role of manganese dioxide in the preparation of oxygen?
What happens when oxygen gas is passed through alkaline pyrogallol solution ?
Why is potassium chlorate not used for laboratory preparation of oxygen ?
How is oxygen naturally renewed in air ?
Complete and balance the following equation
Al + O2 →
Fill in the blank space by choosing the correct word from the given list.
List: sulphurous, nitric acid, red lead oxide paint, oxygen, phosphoric
Phosphorus pentaoxide on dissolving in water forms _________ acid.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
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
