Question

20exampleofpuresubtanses

Answer 1

20 examples of pure substance are :-

1. water (H2O)
2. helium (He)
3. iron (Fe)
4. hydrochloric acid (HCl)
5. carbon dioxide (CO2)
6. mercury (Hg)
7. methane (CH4)
8. silver (Ag)
9. sodium chloride (NaCl)
10. hydrogen (H2)
11.gold
12.calcium
13.nitrogen
14.potassiun
15.oxygen
16.argon
17.carbon monoxide
18.tin
19.sugar
20.salt.

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