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Chemical Reactions and Equations

Quick practice

Question 1 of 5

Which pair of observations would you most likely see during the combustion of a magnesium ribbon in air ?

A

Evolution of a pungent gas and no colour change

B

A dazzling white flame and the formation of a white powder

C

The metal turns into a silver liquid and then evaporates

D

The ribbon turns black and releases blue smoke

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