17. In a Dispersion, which of matter will not form a Colloid?
A. Liquid To Liquid
B. Liquid to solid
C. Solid to gas
D. Gas to gas
18. When Sodium is combined with chlorine through a chemical process, what material will be formed?
A. Fats
B. Protein
C. Rain
D. Table Salt
19. Which of the following statements is true?
A. A mixture is categorized as an Element and a compound.
B. A pure substance has a definite and constant composition.
C. A mixture contains materials that are combined chemically.
D. A pure substance is classified as homogeneous and heterogeneous
20. George noticed that the soil he will use for planting has other materials such as Sand and dry leaves. what does this show?
A. The soil is a compound.
B. The soil is a homogeneous mixture.
C. The soil heterogeneous mixture.
D. The soil is produced by Elements that have chemically combined.
Answers & Comments
Answer:
17.) D. Gas to gas
18.) D. Table salt
19.) C. A mixture contains materials that are combined chemically.
20.) C. The soil is heterogenous mixture.
Explanation:
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