1. Electrolysis has many important industrial applications Which of these is NOT
ID: 991208 • Letter: 1
Question
1. Electrolysis has many important industrial applications Which of these is NOT correct? 5. Which of the following does not accurately (a) Nuclear fusion is the combining of two lighter nuclel to form a heavier, more stable (o) Nuclear fission is the splitting of a heavy nucieus into two nuclel with smaller mass lc) Nuclear transformation is the changing of one element into another, often ld) Nuclear transmography is the conversion of all the neutrons to protons at the same The Hall-Heroult process uses molten cryolite (NaJAg6 as the solvent for aluminum oxide in the production of metallic a (a) nucleus numbers accomplished by bombarding the element with alpha particles or neutrons. time as all the protons are converted to neutrons. This process has only been ng of metals, such as copper, uses ultrapure sheets of that metal as the cathode in an electrolytic cell The anode of the cell is a slab of the same metal In an impure form e) A Downs cell electrolyes a mixture of NacI and CaCl2 to make pure calcium metal at the cathode (d) The chlor-alkali process is the process by which chlorine and pure sodium observed at extremely high temperatures in nuclides that have 2Explanation / Answer
1 -
2 c
3 d
4 a
5 d
6 b
7 a
8 d
9 a
10 c
11 a
12 c
13 a
14 c
15 b
16 d
17 a
18 b
19 d
20 a
21 b
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