Q2 of 14 Page 79

Find the gases for which the following statements are related.

Combustible gas obtained by the electrolysis of water

Hydrogen (H2)

Water upon electrolysis gives hydrogen and oxygen.



Hydrogen is a combustible gas. That is it can catch fire or burn easily. Oxygen itself is not a combustible gas, but it supports combustion (it helps in burning of fuels).


More from this chapter

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1

Some chemical substances are given below. From these, find out the substances required for the preparation of nitrogen and hydrogen, in the laboratory.

Sulphuric acid, hydrochloric acid, sodium nitrite, zinc, potassium permanganate, ammonium chloride, water.

 2

Find the gases for which the following statements are related.

Gas used for the purification of water

 2

Find the gases for which the following statements are related.

Gas interacting with the rhizobium bacteria in the soil

 2

Find the gases for which the following statements are related.

Gas formed by the thermal decomposition of KMnO4