10-05-2014
Chemistry

Answered

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.

Answer :

darknessboy darknessboy

10-05-2014

Strike a match and a spoon of sugar

Answer Link

tadvisohil886 tadvisohil886

10-05-2014

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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