Mathematics, 19.04.2021 17:50 ecenteno2004

A researcher is trying to identify whether household substances are basic. Which approach would BEST help the researcher investigate whether substances are basic?
A. Observe each substance and record its color.
o B. Measure the temperature of each substance.
C. Test each substance with red litmus paper.
OD. Mix each substance with a weak base and record the results.

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