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WorksheetsQuiz on Matter and Mixtures
Total questions: 15
Worksheet time: 8mins
What is matter?
Only visible objects
Only liquids and gases
Only solid objects
Anything that occupies space and has mass
Which branch of science studies the properties of matter?
Chemistry
Physics
Biology
Earth Science
What is a pure substance?
A homogeneous material with a definite composition
A mixture of different substances
A material that can be separated physically
A substance that can change its properties
Which of the following is an example of a compound?
Hydrogen
Gold
Water
Oxygen
What is the simplest form of a pure substance?
A mixture
A compound
An element
A solution
How can mixtures be separated?
By heating
By physical means
By cooling
Only by chemical means
What type of mixture has a uniform composition?
Colloid
Homogeneous mixture
Suspension
Heterogeneous mixture
Which of the following is a characteristic of a suspension?
Uniform composition
Particles settle over time
Particles are invisible
Cannot be separated
What is the Tyndall effect?
The scattering of light by colloidal particles
The settling of particles in a suspension
The formation of a solid from a solution
The mixing of two liquids
Which of the following is a method of separating mixtures?
Electrolysis
Filtration
Combustion
Sublimation
What is a characteristic of a colloid?
Particles remain suspended and do not settle
Particles can be seen with the naked eye
Has a uniform composition
Particles settle over time
Which of the following is a homogeneous mixture?
Salad
Sand and water
Saltwater
Oil and water
What is the composition of a compound?
Only one type of atom
No fixed properties
Definite composition by mass
Variable composition
Which of the following is NOT a pure substance?
Water
Air
Sugar
Table salt
What is the main difference between elements and compounds?
Elements are made of one type of atom, compounds are made of two or more
Compounds can be separated physically, elements cannot
Compounds are always gases, elements are solids
Elements have variable composition, compounds do not
