C) In the equation below, identify the reducing agent, the oxidising agent and give reasons for your answer using oxidation numbers. (5 marks)
H2O2
H2O + 1/2 O2

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.