Advertisements
Advertisements
प्रश्न
What happens when Sodium burns in oxygen ? Also give the balanced chemical equation for the reaction.
Advertisements
उत्तर
Sodium bums brightly, with a brilliant yellow flame.
4NA+ O2 → 2Na2O + heat
APPEARS IN
संबंधित प्रश्न
A mixture of oxygen and carbon dioxide used for artificial respiration.
Fill in the blanks :
Oxides of sulphur and nitrogen combine with rain water to form ___________ and _________ which cause ____________.
The process by which oxidation of food in our body takes place is
Fill in the blank by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
____________ gas can cause acid rain.
Tick (√ ) the most appropriate answer.
Galvanising is the process of coating iron with a layer of molten :
Oxygen of the air is utilised for ‘combustiop’ and for ‘respiration’. Compare the two with a suitable examples.
In the laboratory preparation of oxygen from hydrogen peroxide answer the following:
Draw a neat labelled diagram for the method used in the above preparation.
Distinguish between:
Combustion & Rusting with suitable word equations only?
Give the main experimental points only to demonstrate that magnesium.
Give reason for the following:
Combustion and respiration show similarity.
