Mrs. Johnston heated 5 grams of sugar. The sugar first looked shiny, and then it melted and became dark brown. Finally, all that was left was a black, shiny residue. She then heated 5 grams of sand in the same way. The sand’s appearance did not change.
What explains these results?
Group of answer choices
A. Sand is an element, but sugar is a compound.
B. Heating the sugar caused a chemical change.
C. Heating the sand caused a chemical change.
D. Heat only caused physical changes in both the sand and sugar.
Answers
Answered by
2
Answer:
B
Explanation:
Heating the sugar caused a chemical change.
Answered by
0
Answer:
Sand is an element, but sugar is a compound
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