IGCSE chemistry
Authored by Roderick McDonald
Chemistry
4th Grade
Used 6+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Usually the electrodes used in electrolysis are _____
inert
reactive
dissolved
plated
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The most commonly used materials for electroplating are
chromium
copper
silver
tin
aluminum
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
One purpose of electroplating is to give a _______coating to the metal underneath.
thin
under
protective
reactive
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Chromium resists _____
corrosion
polish
rust
shine
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
electrodes used in electrolysis are usually made of
platinum
graphite
silver
Copper
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two hydrogen atoms combine to form a hydrogen molecule:
H + H --->H2
H+ + e ---> H
2H + 2e ----H2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Remember that the electrolysis of _____sodium chloride and a ____sodium chloride solution will give different products
inert, dilute
molten, dilute
molten strong
molten, dilute
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