Science MCQs

Practice multiple choice questions with instant feedback. Select an option to see if you're correct.

Total Questions
2100
Page 87 of 210
Question 861 Hard

The amount of solute dissolved in a given amount of solvent is called its:

A
Solubility
B
Concentration
C
Saturation
D
Volume
Question 862 Hard

Which unit is commonly used to express solubility?

A
grams per milliliter
B
grams per 100 grams of solvent
C
moles per degree Celsius
D
percent per pressure
Question 863 Hard

Why is water unable to dissolve grease?

A
Water is too cold.
B
Grease is too heavy.
C
Water is polar, grease is non-polar.
D
Grease is a solid.
Question 864 Medium

Which of the following is soluble in water?

A
Oil
B
Grease
C
Salt
D
Paint
Question 865 Medium

Which of the following is an example of a solid-in-solid solution?

A
Salt water
B
Air
C
Brass
D
Carbonated drink
Question 866 Medium

What is the solvent in a 5% sugar solution?

A
Sugar
B
Water
C
Both
D
Sweetness
Question 867 Medium

Why is water called a universal solvent?

A
It dissolves everything
B
It dissolves most substances
C
It is used everywhere
D
It is a liquid
Question 868 Medium

Which type of solution is an amalgam?

A
Solid in liquid
B
Liquid in solid
C
Gas in liquid
D
Solid in solid
Question 869 Medium

Why does a solution appear clear?

A
Particles are large
B
Particles are small and do not scatter light
C
It is coloured
D
It is filtered
Question 870 Medium

How can you make a concentrated solution dilute?

A
Add more solute
B
Add more solvent
C
Heat the solution
D
Cool the solution
Showing 861-870 of 2100 questions

Quick Stats

Total Questions 10900
easy 5797
medium 2983
hard 2120

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