Question

Plants
prepare
their
food
by
the
process
of
photosynthesis.
Why
is
this
process
a


chemical
change?​

Answer 1

$\huge\pink{photosynthesis}$

This is a chemical process by which plants use carbon dioxide and water in our environment to make food for themselves

$\huge\green{steps}$

$\blue{1. \: absorption}$

the sunlight is absorbed by a green pigment known as chlorophyll

$\blue{2. \: conversion}$

conversion of light energy to chemical energy by splitting of hydrogen and oxygen molecules fron water

$\blue{3. \: reduction}$

carbon dioxide is reduced to form starch

It is not necessary that these steps takes place one after another

$\huge \purple{ \: equation}$

$6co2 +6 h2o \: \frac{chlorophyll}{sunlight} - - > c6h1206 + 6o2$

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Answer 2

Answer:

This is a chemical change as raw materials

Sunlight, water and carbon dioxide combine together to form food of plants stored in the form of starch and oxygen is released

Here new substance is formed as well as we cannot get the raw materials mentioned above back

Due to the above reasons photosynthesis is a chemical change

The answer is not copied like the above answer

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