Question

which unit would you use to measure the time a chemical reaction takes?
seconds
candelas
amperes
moles

Explanation:

To determine the unit for measuring the time of a chemical reaction, we analyze each option:

• "seconds" is the SI unit of time, suitable for measuring reaction duration.
• "candelas" measures luminous intensity, not time.
• "amperes" measures electric current, not time.
• "moles" measures amount of substance, not time.

Answer:

A. seconds