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प्रश्न
Fill in the blank:
Manganese dioxide acts as a _________.
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उत्तर
Manganese dioxide acts as a catalyst.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
What is the role of manganese dioxide in the preparation of oxygen?
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 _________.
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
Complete and balance the following equation
\[\ce{N2 + O2 ->[3000°C]}\]
Statement given below is incorrect. Write the correct statement :
The oxygen gas turns moist blue litmus red.
Tick (√ ) the most appropriate answer.
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Write a note on the rusting process.
