Chemistry Past Questions and Answers

In solution, aminoethanoic acid (glycine) can be represented as NH⁺₃ CH₂COO. This implies that it

Hydrogen is used for the following except

Which of the following is suitable for determining different isotopes present in an element which exhibits isotopy?

State the atoms represented as shown below:

(a) State the relationship between the two atoms.
(b) What is the difference between them?
(c) Give two examples of elements which exhibit the phenomenon illustrated above.

(a)State three characteristics of a catalyst.
(b) Mention one manufacturing process in which each of the following metals is used as a catalyst:
(i) iron;
(ii) nickel;
(iii) platinum
(c) Give one example of an organic catalyst.