A.
________1. Which of the following materials is an element?
A.Alloy
b.Brass
C.Oxygen
D.Carbohydrates
________2.Which type of mixture contains a salute that is thoroughly dissolved in a solvent?
A. Gel
B.Mayonnaise
C.Lotion
D.Saltwater
________3.During one of your science experiments, you mixed a mystery solid with water .After adding and stirring this mystery solid, you noticed that is disappeared.What type of mixture did you make?
A.Colloid
B.Heterogeneous mixture
C.Solution
D.Suspension
_______4.What do you call the substance that is being dissolved in a solution?
A.Liquid
B.Solid
C.Solute
D.Solvent
______5.What is a sustance that does not dissolve in any liquid?
A.Insoluble
B.Flexible
C.Perfect
D.Soluble
_________6.A mixture contains a substance that visibly settles at the bottom of the liquid.What is this mixture called?
A.Aerosol
C.Solution
B.Homogeneous mixture.
D.Suspension
______ 7. Which of the following examples is considered homogeneous?
A. Concrete
C.Perfume
B.Iron nail
D.Oil and water
_______8.Which of the given materials is a solid homogeneous mixture?
A.Alchohol
B.Iced tea
C.Saltwater
D.Steel alloy
_______9.Which among the solid substances will dissolve in water?
A.Cornstarch
B.Flour
C. Sand
D.Sugar
______10.Ivan puts some sugar in his calamansi juice.Upon tasting,he noticed that it is too sweet and that all the sugar granules have been dissolved.What does this show?
A. The solution is a suspension.
B.The solution is concentrated
C. Ivan prepared a saturated solution
D.Ivan prepared an unsaturated solution
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Answer:
1.a
2c
3.d
4.b
5.b
6.b
7.a
8.d
9.c
10.c