Waec Chemistry Questions
Question 1416:
When water was added to a white anhydrous substance X, the colour changed to blue. X is
View Answer & ExplanationQuestion 1418:
If 0.2g of a salt is required to saturate 200\(cm^{3}\) of water at room temperature, what is the solubility of the salt?
View Answer & ExplanationQuestion 1419:
The property of a chemical reaction that is affected by the presence of a catalyst is
View Answer & ExplanationQuestion 1420:
Soluble salts can be prepared by the following methods except
View Answer & Explanation