Single Answer MCQ
Q-00019175
Which of the following indicates that a reaction occurred in a chemical equation?
1
Symbols
2
Coefficients
3
Physical states
4
Arrows
Answer and Solution
Answer
D. Arrows
Solution:
The arrow in a chemical equation indicates the direction of the reaction, showing which reactants transform into which products. Symbols and coefficients provide other information, but the arrow indicates the occurrence.
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