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WorksheetsConductivity of solutions
Total questions: 16
Worksheet time: 47mins
Which of the following substances would conduct electricity if dissolved in water to form a solution?
C6H12O6
CH4
KI
CO2
A conductivity tester is placed in a solution of water and an unknown solute. The bulb doesn't light up. What can you determine about the unknown solute?
It is an ionic compound.
It is a metallic compound.
It is a covalent compound.
Not enough information is given to answer this question.
Which solution will have a higher conductivity?
Left one, since it is concentrated
Right one, since it is concentrated
Left one, since it is diluted
Right one since it diluted.
Which of the following will conduct electricity when dissolved to make a solution?
KCl
NH3
CO2
C12H22O11
A light bulb connected to two electrodes is immersed in the following solutions. Which one will make the light bulb light up the brightest?
1 g of sugar in 1 cup of water
1 g of salt in 1 cup of water
10 g of salt in 1 cup of water
10 g of sugar in 1 cup of water.
When the amount of solute increases, the concentration and conductivity (a) . (One word)
Which of the following will produce ions to conduct electricity when dissolved in water?
CaCl2
NH3
CH4
P2O5
What can you conclude based on the diagram? There could be more than one correct answer.
Liquid A a concentrated ionic solution
Liquid B is a concentrated ionic solution
Liquid A is a concentrated covalent solution.
Liquid B is a concentrated covalent solution.
A beaker of uncovered salt water is left in the lab. What happens to the conductivity after a week?
The conductivity decreases since the concentration decreases as the water evaporates
The conductivity increases, since the concentration decreases as the water evaporates.
The conductivity decreases, since the concentration increases as the water evaporates.
The conductivity increases, since the concentration increases as the water evaporates.
What happens to the concentration and conductivity, when you increase the amount of solvent in a solution?
The concentration increases and conductivity increases.
The concentration increases and the conductivity decreases.
The concentration decreases and the conductivity decreases.
The concentration decreases and the conductivity increases.
What happens to the concentration and conductivity, when you increase the amount of solute in a solution?
The concentration increases and conductivity increases.
The concentration increases and the conductivity decreases.
The concentration decreases and the conductivity decreases.
The concentration decreases and the conductivity increases.
What happens when KBr is dissolved in water?
Br - ions are attracted to positive K ions
Br - ions are attracted to the oxygen atom of water
K+ ions are attracted to the hydrogen atoms of water
no attractions are involved
Which of the following is dilute?
10 g of sugar in 10g of water
10 g of sugar in 20 g of water
20g of sugar in 20 g of water
20 g of sugar in 10 g of water
Which of the following solutions is concentrated?
10 g of sugar in 10g of water
10 g of sugar in 20 g of water
20g of sugar in 20 g of water
20 g of sugar in 10 g of water
