A gas that will turn orange potassium heptaoxodichromate ...
A gas that will turn orange potassium heptaoxodichromate (lV) solution to clear green is?
sulphur (ii) oxide
hydrogen sulphide
sulphide (lV) oxide
hydrogen chloride
Correct answer is A
No explanation has been provided for this answer.
Which of the following acids is dibasic? ...
The molecular formula of ethylbutanoate is? ...
The valence electrons in a chloride ion are [17CI]...
Beryllium and aluminum have similar properties because they? ...
The salt formed from strong acid and a strong base is? ...