Question

17. Which is False in the following statements about sodium chloride dissolves
completely in water?
A. Water is a pure substance.
B. Sodium chloride is a pure substance.
C. Dissolving sodium chloride with water produces a mixture.
D. Dissolving sodium chloride with water produces a new substance.

18. Which of the following terms, refers to a series of logical steps that is
followed in solving a problem?
A. Model method
C. Scientific method
B. Scientific theory
D. Experimental process
​

Answer 1

Answer:

ans)17.A.False

B.False

C.True

D.False

18.C. Scientific method

Explanation:

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