
Quiz8
Quiz
•
Chemistry
•
8th Grade
•
Hard

Pamela Sanyal
Used 4+ times
FREE Resource
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Iron objects can be protected by electroplating them with
Cr
Ni
Zn
All of these
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When electrodes are immersed in water and electricity passed, the bubbles formed on the positive terminal is actually _______ gas.
Hydrogen
Carbondioxide
Oxygen
Nitrogen
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
When electric current is passed through the copper sulphate solution,copper sulphate dissociates into:
Copper and Sulphur
Copper and Oxygen
Copper and Sulphate
None of these
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
The positive charged ions are called:
Cations
Anions
Ions
None of these
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
All vegetable oils are non-electrolytes
True
False
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Which fibre is used as artificial wool?
Acrylic
Rayon
Nylon
Cotton
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Melamine is:
Thermoplastic polymer
Thermosetting polymer
Fibre
None of these
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