Question

Chips with gas such as
He chips from getting oxidised ?
1.
2.
QUESTIONS
Why does the colour of copper sulphate solution change when
an iron nailis dipped in 112 grederyesu-gren, non
Give an example of a double displacement reaction other than
the one given in Activity 1.10.
Identify the substances that are oxidised and the substances
that are reduced in the following reactions.
(1) 4Na(s) + 0,(g) → 2NaO(s)
(11) CuO(s) + H,(g) - Cu(s) + H,00)Peduction /
3.​

Answer 1

Answer:

Nitrogen

Explanation:

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Answer 2

Answer:

Nitrogen

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