Question

to derive
4. Write the chemical formulae of the following substances by using three steps,
same.
a) H20 - Hydrogen
5)
CO2 – Carbondjonide
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Cat: 20-​

Answer 1

here is ur answer :》

a. 2H2O -----> 4H+O2

b.CO2-------> C+O2

HOPE IT HELPS U

Answer 2

Answer: a)  symbol    H         O₂

                  valancy      1           2

cross multiplying valencies then

it form H₂O

Explanation: