Question

- Explain with examples three types of chemical
changes. Give an example for each.​

Answer 1

Answer:

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Explanation:

chemical reaction is typically followed by physical signs that are readily detected, such as heat and light emission, precipitate formation, gas evolution, or a change of appearance.Common Chemical Changes

The rusting of iron.

Combustion (burning) of wood.

The metabolism of food in the body.

Mixing an acid and a base, such as hydrochloric acid (HCl) and sodium hydroxide (NaOH)

Cooking an egg.

Digesting sugar with the amylase in saliva.

Mixing baking soda and vinegar to produce carbon dioxide gas.

Answer 2

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