Chemistry Past Questions and Answers

Determine the mass of copper deposited by 4.0 moles of electrons in the reaction represented by the equation below: Cu<sup style='font-size: smaller;'>2</sup><sub style='font-size: smaller;'>(aq)</sub> + 2e<sup style='font-size: smaller;'>-</sup> → Cu<sub style='font-size: smaller;'>(s)</sub>

Reaction undergone by compounds with the general formula C<sub style='font-size: smaller;'>n</sub> H<sub style='font-size: smaller;'>2n+2</sub> include

What is the major product formed when C<sub style='font-size: smaller;'>2</sub>H<sub style='font-size: smaller;'>5</sub>OH reacts with CH<sub style='font-size: smaller;'>3</sub>COOH?

Which of the following substances is a non-reducing sugar?

The colour of the solution formed when ethyne reacts with an acidic solution of potassium tetraoxomanganate (VII) is