Question

urgent pls fast
Q. 3 Give reason.
1 Soil is the most important natural resource.
2 A base is applied to your skin gives relief from an ant – bite.
3 Topsoil has more humus than subsoil.
4 The properties of water are different from its constituent elements hydrogen and oxygen
5 We don’t find any compounds of noble elements in nature.
6 We must not keep a metal spoon in a pickle bottle.

Answer 1

1. soil is most important natural resource as the food we eat is growen on it only
2.A base reacts with excess of acids and neutrilize their effect, thus give us relief from ant- bite
3. top soil contain more organic material compare to sub soil

Answer 2

4.because that solution not mixer ..
5 . Nobel means no reaction will occur by them in any condition .. . but every compound and mixer having a bond between them which can break ...
6. because it react with acid ..