Question

TYPES OF REACTION AND CHANGE ​

Answer 1

Answer:

chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.Representation of four basic chemical reactions types: synthesis, decomposition, single replacement and double replacement.

Answer 2

$a)$ Iron with copper sulphate solution in water.

$b)$ Burning of magnesium ribbon in air.

$c)$ Zinc with dilute sulphuric acid.

$d)$ Heating of copper sulphate crystals.

$e)$ Sodium sulphate with barium chloride in the form of their solutions in water.