Question

1. Name four substances which store chemical energy
in them.
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Answer 1

Answer:

The energy which is stored in the bonds of chemical compounds (molecules and atoms). It is released in the chemical reaction and mostly produces heat as a by-product, known as an exothermic reaction. The examples of stored chemical energy are biomass, batteries, natural gas, petroleum, and coal.

Answer 2

Answer:

● The examples of substances which stored chemical energy are biomass, batteries, natural gas, petroleum, and coal.