Question

18
across
water breaks into hydrogen and oxygen
a passing electric current is words)
3. Copper oxacte with oxygen to form black
Copper oxide 16
a words)
B.Copper oxides
reacts with
hidrogen to BT
form reddish brow
in coppen aand
water (5 words).
ola
Down -
2. 2 Al teso, Al₃+2Fe (s words)
eets with silver nitrate to form.
blue coloured Copper sulphate and the
silver metal gets deposited (12 words)
6. CH₂=CH₂ + H2 CH₃ -CH₃ (11 wordes​

Answer 1

Answer:

electrolysis.is the answer