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
A dazzling white flame and the formation of a white powder
B
The metal turns into a silver liquid and then evaporates
C
The ribbon turns black and releases blue smoke
D
Evolution of a pungent gas and no colour change
Concepts
Chemical Reactions
Chemical Equations
Effects of Oxidation Reactions in Everyday Life
Types of Chemical Reactions
Get unlimited practice with Foundation subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go