Question

. A chemical change may occur by one of the following changes: (a) Evolution of gas

(b) Change of colour (c) Formation of precipitate (d) Absorption or evolution of

heat light. Give an example of each case​

Answer 1

Answer:

a)when u boil water it evaporates change into gaseous state

b)rusting of iron

c)Mixing silver nitrate and sodium chloride in water will cause silver chloride to precipitate out of solution as a solid.

d)when you burn a mg ribbon in presence of o2

Explanation:

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