Question

Assess Yourself 1
Nor
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1. Name any three categories of changes.
b
(b) Rusting of iron
(e) Bursting of balloon
(a) High and low tides in sea
(d) Burning of fuels and fireworks
2. Classify the following changes under the categories of slow and fast change, te
irreversible change, periodic and non-periodic change and desirable and undesrate
Grinding of substances When
tances such as wheat, tire​

Answer 1

1. chemical change
2. physical change
3. physical change