Question

4. Definé potential energy?
5. Give two examples of in organic chemicals?
6. Define work?
7. Define acid rain?​

Answer 1

1) Define potential energy?

= The energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.

2) Give two examples of in organic chemicals?

= Carbon Monoxide, Carbon Dioxide

3) Define work?

= Activity involving mental or physical effort done in order to achieve a purpose or result.

4) Define acid rain?

= Rainfall made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulphur and nitrogen oxides which combine with atmospheric water to form acids.

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Answer 2

Explanation:

4)Define potential energy?

= The form of energy that an object gains as it is lifted.

5) Give two examples of inorganic chemicals?

=Example of inorganic compounds include : Sodium chloride (NaCl): used as table salt . Silicon dioxide (SiO2): used in computer chips and solar cells. Sapphire (Al2O3): a well known gem stone.

6) What is work?

= To do something which needs physical or mental effort, in order to earn money or to achieve something.

7) What is acid rain?

= Rains that has harmful chemicals in it form factoroies , etc. that causes damage to trees, crops, buildings and rivers.

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