Which statement BEST describes the process of oxidation?
addition of hydrogen
loss of oxygen
decrease in oxidation number
loss of electrons
gain of elections.
Correct answer is D
No explanation has been provided for this answer.
The decreasing order of the oxidising power of the halogens is
Br>I>Cl>F
F>I>Cl>Br
F>Cl>Br>l
I>Br>Cl>F
Cl>Br>F>I
Correct answer is C
No explanation has been provided for this answer.
0.03 mol dm3
0.12 mol dm3
0.27 mol dm3
0.45 mol dm3
0.90 mol dm3
Correct answer is B
No explanation has been provided for this answer.