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Q 1/10
Score 0
What distinguishes a compound from a mixture?
30
A compound is a combination of gases only, while a mixture can be solids and liquids
A compound can be separated by physical means while a mixture cannot
A compound has a fixed composition and properties that are different from its constituent elements, while a mixture retains the individual properties of its components.
A mixture is always made of two different elements while a compound is not
Q 2/10
Score 0
Which of the following statements about solutions is true?
30
Solutions can only contain gases
Solutions are always solid mixtures
Solutions are homogeneous mixtures where one substance is dissolved in another.
Solutions have a random arrangement of particles
10 questions
Q.
What distinguishes a compound from a mixture?
1
30 sec
Q.
Which of the following statements about solutions is true?
2
30 sec
Q.
What is an example of a pure substance?
3
30 sec
Q.
What is the chemical formula for water, which is an example of a compound?
4
30 sec
Q.
Which of the following statements is true about mixtures?
5
30 sec
Q.
How are compounds different from elements?
6
30 sec
Q.
Which of the following best describes a heterogeneous mixture?
7
30 sec
Q.
What is the main characteristic of an element?
8
30 sec
Q.
Which of the following is an example of a homogeneous mixture?
