WorksheetsClassification of Matter
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
A metallic element can be bent into thin wires to be used in jewelry. What do you call this property of metals?
a)
ductility
b)
malleability
c)
thermal conductivity
d)
luster
2.
What is moles of solute per liters of solution?
a)
molality
b)
molarity
c)
normality
d)
percent by volume
3.
Which among the following is an element?
a)
brass
b)
bronze
c)
silver
d)
stainless steel
4.
Which among the following is a homogeneous mixture?
a)
alloy
b)
gravel
c)
uranium
d)
zinc
5.
Which among the following elements is a metal?
a)
argon
b)
hydrogen
c)
calcium
d)
silicon
6.
A solution has a pH level of 2.0, the solution is a --
a)
weak acid
b)
weak base
c)
strong acid
d)
strong base
7.
All carbonated drinks or soft drinks are examples of what type of mixture?
a)
gas-liquid mixture
b)
gas-gas mixture
c)
solid-gas mixture
d)
solid-solid mixture
8.
Which statement describes a colloid?
a)
It is transparent.
b)
It doesn’t exhibit Tyndall effect.
c)
It can be separated using filter paper.
d)
It is made up of medium sized particles.
9.
A method of separating mixtures that is not based on the differences of its component's boiling points
a)
distillation
b)
evaporation
c)
filtration
d)
fractional distillation
10.
What is the result of neutralizing an acid and a base?
a)
hydride
b)
salt
c)
stronger acid
d)
weaker acid
11.
An element which has physical characteristics of both metals and nonmetals
a)
energy
b)
gas
c)
magma
d)
metalloid
12.
The law that states that a compound is always composed of the same elements in the same proportion by mass, no matter how large or small the sample.
a)
Law of Definite Proportions
b)
Law of Multiple Composition
c)
Law of Partial Pressure
d)
Law of Relativity
13.
Which among the following is a compound?
a)
acetic acid
b)
table salt
c)
laughing gas
d)
all of the above
14.
What is the % by mass of a solution containing 10 grams of sugar in 20 grams of solution?
a)
0.5%
b)
0.33%
c)
33.33%
d)
50%
15.
How many moles of solute are in 50 L of solution if the molarity is 5 moles/L?
a)
0.1 mole
b)
10 moles
c)
18.2 moles
d)
250 moles
16.
Which among the following pH pertains to a base?
a)
1.2
b)
5.5
c)
7
d)
9.4
17.
If a solution as more solute than solvent, then the solution is--
a)
saturated
b)
supersaturated
c)
unsaturated
d)
undefined
18.
What is the chemical formula of potassium chloride?
a)
KCl
b)
NaCl
c)
PC
d)
PCl
19.
Which element exist in liquid form at room temperature?
a)
barium
b)
bromine
c)
copper
d)
hydrogen
20.
How much water (in kg) is needed to have a 2.0 molal solution containing 10.0 moles of table salt?
a)
0.20 kg
b)
20.0 kg
c)
0.50 kg
d)
5.0 kg
100 %
