Chemistry, 09.12.2020 07:00 savagesquid4807
Which of the following is NOT laboratory evidence of a chemical reaction?
A solution of sodium sulfide is added to hydroiodic acid. A rotten smell is given off.
Hydrochloric acid is poured in a test tube containing a piece of magnesium. Bubbles of
gas form.
.
Large chunks of sodium chloride are placed in a mortar and pestle. The sodium chloride
is broken into smaller pieces.
A solution of silver nitrate is added to a solution of sodium chloride. A solid white
substance forms.
Answers: 2
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Which of the following is NOT laboratory evidence of a chemical reaction?
A solution of sodium sulf...
Mathematics, 05.03.2020 00:40
Mathematics, 05.03.2020 00:40