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प्रश्न
State the use of manganese dioxide in the laboratory prepa-ration of oxygen from potassium chlorate.
उत्तर
In the laboratory preparation of oxygen from potassium chlor¬ate, manganese dioxide acts as a catalyst i.e. it increase the rate of production of oxygen without getting itself consumed.
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संबंधित प्रश्न
Two substances from which oxygen can be obtained at a large scale.
An oxide and a carbonate containing oxygen.
Two substances which undergo rapid oxidation.
Taking hydrogen peroxide, how would you prepare oxygen in the laboratory ?
Give four uses of oxygen.
What happens when Sulphur burns in oxygen ? Also give the balanced chemical equation for the reaction.
State the precautions while preparing oxygen in the labo-ratory.
Complete and balance the following equation
S + O2 →
Statement given below is incorrect. Write the correct statement :
Oxygen is prepared in laboratory by treating hydrogen oxide with manganese dioxide.
Statement given below is incorrect. Write the correct statement :
Moist oxygen causes rusting in carbon.
