2QLTSci7
Education
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8 questions
Question 1
Multiple Choice
10 points
Solutions with a pH equal to 7 is said to be ___.
A.acidic
B.basic
C.neutral
Question 2
Multiple Choice
10 points
Which of the following is a property of a metal?
A.brittle
B.low density
C.good conductor of heat and electricity
Question 3
Multiple Choice
10 points
Cloud is an example of ____.
A.emulsion
B.liquid aerosol
C.solid aerosol
Question 4
Multiple Choice
10 points
All are inert or noble gases EXCEPT
A.Argon
B.Helium
C.Carbon
Question 5
Multiple Choice
10 points
Pure substances characterized by their slippery and soapy feel.
A.acid
B.base
C.saturated solution
Question 6
Multiple Choice
10 points
Smaller particle size has greater surface area, it dissolves faster while the larger particle size dissolves slower.
A.true
B.false
Question 7
Multiple Choice
10 points
It is defined as the substance in which the solute is dissolved.
A.solvent
B.pressure
C.solution
Question 8
Multiple Choice
10 points
Which of the following mixtures can the Tyndall effect be observed in?
A.colloid
B.solution
C.suspension