Examples of chemical change
Examples of chemical change: Overview
This topic talks about the concept of chemical changes. It illustrates some kind of examples showing chemical change which will help in identifying the changes occurring in our surroundings.
Important Questions on Examples of chemical change
Coal is used as a fuel in homes and industry.
Explain the uses of coal.
Burning of coal in air is a:
Name the first step of nutrition in human beings, Whether it is ingestion or Egestion?
Digestion is a form of:
Define the following term:
Digestion.
It is the process of breaking down food by mechanical actions into simpler substances to be used by the body.
During the process of burning, food in our body is broken down to release energy.
Give one-word answer.
Which gas acts like a shield and protects us from the harmful UV radiation of the Sun?
The protective layer of air is
The ball of chewed food is called _____.
Explain the importance of ozone layer.
The protective layer of air is called _____.
_____ layer in the stratosphere stops the harmful UV radiation.
Ozone absorbs ultraviolet radiation from the sun.
The ozone layer protects us from harmful _____ rays.
A layer that absorbs harmful rays from the Sun. (Ozone/Troposphere)
Burning of coal pollutes the soil.
