Question

when ,
solid,liquid and gas
↓

(NO) ← Broken into (YES)
(R) simple substance ↓
↓
(YES) BY
↓ CHEMICAL
BY MEAN
PHYSICAL ↓
MEAN (P)
↓
(YES)
(Q)
(P). (Q). (R)
1. IRON. SALT SOLUTION. WATER

2.copper. SUGAR SOLUTION. IRON

3.COPPER SALT SOLUTION. IRON
SULPHATE

4. Aluminum. camphor. iron oxide



which is right 1,2,3,4 ?​

Answer 1

Answer:

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