Question

1 Match the examples of the types of change in column 'A' with the correct changes from
column 'B':
Column 'A'
Column 'B
(a) Permanent, irreversible change
1. Sodium chloride (common salt) to sodium
chloride solution
(b) Natural change
2. Sugar to sugаr solution
3. Milk to sour milk
(c) Slow change
(d) Man-made change
(e) Undesirable change
4. Iron to iron sulphate solution
5. Aluminium to aluminium oxide
6. Iron to rust
(f) Physical change
(g) Temporary, reversible change
(h) Fast change
7. Potassium chloride to its water solution
8. Coal to coal ash
(i) Chemical change
9. Making a piece of iron to magnet
() Endothermic change​

Answer 1

Answer:

hfhfhgfnvbnfbvnfnbExplanation:y,,g,hggggggggggfhgh;phlfmh;fmhgfmhgfghmgfmhgfmghgfghfghf