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ChemistryChemistry
10 December, 17:05

Which two of these are chemical reactions? Tick two boxes.

You

dissolve a spoonful of sugar in water.

Bread goes

brown in the toaster.

You take an

ice lolly out of the freezer and it strats to melt.

Frost forms on

the grass an a cold night.

You strike a

match to light a Bunsen burner.

+2
Answers (2)
  1. 10 December, 19:23
    0
    Strike a match and a spoon of sugar
  2. 10 December, 20:56
    0
    The second one and the fifth one.

    Bread goes brown in toaster and lighting a burner.

    Reason: - Both the actions involve combustion; which is a chemical change.
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Home » Chemistry » Which two of these are chemical reactions? Tick two boxes. You dissolve a spoonful of sugar in water. Bread goes brown in the toaster. You take an ice lolly out of the freezer and it strats to melt. Frost forms on the grass an a cold night.
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