4) an unknown substance is added to a solution and the ph increases. the substance is a:\na) acid\nb)…

4) an unknown substance is added to a solution and the ph increases. the substance is a:\na) acid\nb) base\nc) solvent\nd) sweet\n5) a solution with a ph of ___ is considered to be neutral.\na) 0\nb) 1\nc) 7\nd) 14

4) an unknown substance is added to a solution and the ph increases. the substance is a:\na) acid\nb) base\nc) solvent\nd) sweet\n5) a solution with a ph of ___ is considered to be neutral.\na) 0\nb) 1\nc) 7\nd) 14

Answer

Brief Explanations:

For question 4, acids lower pH, solvents don't change pH significantly in this context, and "sweet" is not relevant. Bases increase pH. For question 5, by definition, a pH of 7 is neutral, 0 - 6 is acidic, and 8 - 14 is basic.

Answer:

  1. B. base
  2. C. 7