Chemistry Past Questions and Answers

Which of the following salts in aqueous solution will have a pH greater than 7?

The compound of copper which is used in electroplating dyeing, printing, wood preservation and as a fungicide is

What is the molecular formula of a compound whose empirical formula is CH₂O and molar mass is 180? (H = 1, C = 12, O = 16)

MO and X ₂O represent the formula of oxides of elements M and X respectively . If M and X should combine to form a separate compound, what would be the formula of the compound?

Which of the following pollutants is biodegradable ?