Advertisements
Advertisements
प्रश्न
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
State the word equation for the reaction involving the above preparation of oxygen.
Advertisements
उत्तर
Word equation:
\[\ce{Hydrogen peroxide ->[MnO2][(catalyst)] Water + Oxygen}\]
APPEARS IN
संबंधित प्रश्न
Define the term acid rain.
A metal highly resistant to rusting.
Write ‘True’ or ‘False’ in front of following statement.
Nitrogen is a gaseous non-metal essential for respiration.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
carbon dioxide in air using a test tube with outlets containing lime water.
Describe simple experiments to show the presence of -
water vapour in air using a glass tumbler and ice.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
State the method of collection of the oxygen gas giving reasons.
Distinguish between:
Combustion & Rusting with suitable word equations only?
Give the main experimental points only to demonstrate that candle-gains weight on burning.
In Rockets, along with fuel, oxygen is also carried for combustion – why?
