tmlrocks1224 tmlrocks1224

22-03-2021
Chemistry

contestada

Which is a disadvantage of using chemical indicators?
They are expensive to use.
They measure pH directly.
They must be selected for a narrow pH range.
They do not use electricity to operate.

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2002amaclellan68 2002amaclellan68

22-03-2021

Answer:

They must be selected for a narrow pH range.

Explanation:

Indicators are compounds that change to a specific colour in a solution within a specific pH range.

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adpham0807 adpham0807

24-03-2021

Answer:

C. They must be selected for a narrow pH range.

Explanation:

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