Which Of The Following Word Pairs Correctly Completes The Sentence Below? _______ Are Corrosive Subs

Which of the following word pairs correctly completes the sentence below? _______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

A. Bases; pH greater than 7
B. Acids; pH less than 7
C. Bases; pH less than 7
D. Acids; pH greater than 7

 

Answer:

B.

Explanation:

The pH scale is assigned to an agreed standard arrangements whose pH is set up by universal understanding. The scale is between 0 and 14 , values between 0 and 7 are acidic while 7 is neither acidic or base; values greater than 7 are considered as base. In context of the question above, only acids have the characteristics of being corrosive with strong smell so, the correct option is B