Multiple choice

Which of the following statements is correct about burning and rusting?

  1. Both are chemical changes

  2. Air and moisture are necessary in both cases.

  3. Rusting is fast oxidation but burning is slow oxidation.

  4. Mass increases in both the cases
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In burning, only oxygen is required but rusting takes place in the presence of both oxygen and moisture.

Keep practicing — related questions