For iron to rust, there should be present?
...For iron to rust, there should be present?
oxygen
moisture
carbondioxide
oxygen and moisture
oxygen, moisture and carbondioxide
Correct answer is D
No explanation has been provided for this answer.
What volume of 0.5 mol dm-3 H2SO4 will exactly neutralize 20cm3 of 0.1 mol dm-3 NaOH solution?...
The filter in the cigarette reduce the nicotine construct by ...
The order in which a mixture of sand, ammonium chloride and sodium chloride can be separated is ...
The salt formed from strong acid and a strong base is? ...
In the diagram above which of the cures illustrates Arrhenius' law? ...