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Knewton 1 Test Questions Solved 100% Correct |Verified Answers
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Knewton 1 Test Questions Solved 100%Correct |Verified Answers
Which physical form(s) of matter have neither a definite volume nor definite shape?
A) Plasma
B) Solid
C) Liquid
D) Gas - Answer A) Plasma
D) Gas
Which of the following describes the gaseous state of matter? (check all that apply)
A) It expands to fill its container
B) it has a fixed shape
C) particles are far away from one another, and experience little attraction
D) the gas phase is the hottest phase - Answer A) It expands to fill its container
C) particles are far away from one another, and experience little attraction
Which phase of water has the highest density?
,A) Solid
B) Liquid
C) Gas - Answer B) Liquid
If you boil a sample of water, the steam that results will have?
A) less mass than the water
B) more mass than the water
C) the same mass as the water
D) impossible to predict - Answer C) the same mass as the water
Which of the following is a molecule?
A) water
B) ozone
C) glucose
Which of the following terms describes the smallest particle of a substance that
still retains the chemical properties of that substance? (Select all that apply.)
A) mixture
B) molecule
C) atom
D) neuron - Answer B) molecule
C) atom
, Who was the first to propose the idea of atoms?
A) Aristotle
B) Democritus
C) Plato
D) Socrates - Answer B Democritus
Chicken noodle soup is an example of
A) homegenius mixture
B) pure substance
C) heterogeneous mixture
D) compound - Answer C) heterogeneous mixture
A molecule that is made up of more than one type of atom is known as
A) element
B) isotope
C) compound
D) subatomic particle - Answer C) compound
A homogenous mixture varies from a heterogenous mixture in that a
homogenous mixture has properties that:
A) do not vary in the mixture
B) vary in the mixture
C) suspend in a liquid
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