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Chemistry 9 Chapter 6 - Solutions -3
1.
The only metal that is liquid at room temperature is?
a) Mercury
b) Copper
c) Zinc
d) Iron
2.
Amalgam is the solution of any metal in?
a) Ghee
b) Zinc
c) Water
d) Murcury
3.
Which one of the following amalgams is used to make dental filling?
a) None of these
b) Silver amalgam
c) Tin amalgam
d) Both of these
4.
The solution of amalgam is?
a) Solid in liquid
b) Gas in liquid
c) Liquid in gas
d) Liquid in solid
5.
The solution of smoke is?
a) Gas in solid
b) Solid in liquid
c) Gas in liquid
d) Solid in gas
6.
Which one of the following is added to gold to make it harder?
a) Zinc
b) Sodium
c) Mercury
d) Copper
7.
Addition of copper to gold is an example of?
a) Gaseous solution
b) Liquid solution
c) Solid solution
d) None
8.
An Alloy is a ___ solution of various metals?
a) Gas
b) All of these
c) Liquid
d) Solid
9.
Brass is an alloy of?
a) Copper and gold
b) Zinc and copper
c) Gold and iron
d) Zinc and gold
10.
The solution of Ruby is?
a) Solid in gas
b) Liquid in gas
c) Solid in liquid
d) Solid in solid
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