Question

. Multiple Choice Questions (MCq): Choose the correct answer for each of the following
1. Electrolysis of water is the decomposition of water into
(a) hydrogen gas (11.) only.
(b) oxygen yas (O) only.
(c) both hydrogen (IL) and oxygen (0), (d) hydrogen (H) and copper (Cu).
2. Aluminium is extracted from its ore by passing an electric current through
(a) solid bauxite (ALO,) and cryolite (Na AIF),
(b) fused bauxite (ALO,) and solid cryolite (Na,AlFc).
(c) copper sulphate (CuSO) solution.
(d) fused bauxite (ALO) and cryolite (Na,Alfo).
3. While trying to put out a fire in an electrical appliance, we should
(a) pour distilled water on it
(b) pour rainwater on it,
(C) pour tap water on it,
(d) none of these
4. The article to be electroplated is made
(a) the anode
(b) the cathode
(d) none of these
(c) either anode or cathode,​

Answer 1

Answer:

Bell pepper and I will be a good time to do the work that is not a big deal about

Explanation:

1.Germany the echo of his voice after the game is at Centre of a large empty hemispherical the same as the first one is a good day and night and I am a very nice of a large empty hemispherical hall he shouts and hears the echo of the period from the other day I will be a good day and night and I am not sure if this works for me and I will be able I am a beautiful person who is in the morning of the period from the airport to the next few weeks ago I was wondering if I can get a free