Question

Give name of 10 substances present in our surroundings
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Answer 1

Answer:

Air- N2, O2, CO2, NH3

water- H2O

Building- CaCO3, SiO2, CaSO4. 1/2H2O

Soil- Carbon, different organic substance

biogas- CH4, CO2

Pollution gas- SO2, CFC, NO2

Plants and animals-Different organic substance

Metal compounds - compounds of Fe, Cu, Ni etc

wood logs- carbon and dead tissue

Automobiles- metallic and metalloid substance

ans some rare radioactive elements in certain places.

hope this will help you.