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3 votes
4. An unknown substance in solution is slip-

pery to the touch, dissolves easily in
water, and makes litmus paper turn blue.
The substance is most likely
A. an acid.
B. a base.
C. a salt.
D. an indicator.

1 Answer

7 votes

Answer:

D.an indicator because if you read up on it,will show

User Aubergine
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