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beks73 [17]
3 years ago
10

Sian wants to measure the number of seconds that it takes for the contents of a beaker to change from clear to purple. Which of

these tools should she use for this purpose? 1 an electronic balance 2 a stopwatch 3 a barometer 4 a graduated cylinder
Physics
2 answers:
Lorico [155]3 years ago
8 0
If you want to measure the time of an lab just you a stopwatch 2 is your answer
sveta [45]3 years ago
8 0

Answer : The correct option is, (2) a stopwatch

Explanation :

Electronic balance : It is used to measure the amount of substance.

Stopwatch : It is used to measure the time.

Barometer : It is used to measure the pressure.

Graduated cylinder : It is used to measure the volume.

If sian wants to measure the number of seconds that it takes for the contents of a beaker to change from clear to purple then the tool she use for this purpose is, a stopwatch.

Hence, the correct option is, (2) a stopwatch

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