Question

drag each label to the correct image. each label can be used more than once. label the samples based on their ph values. alkaline acidic neutral lemon juice ph 2.2 salt solution ph 7 baking soda ph 9

Explanation:

Step1: Recall pH - scale rules

If pH < 7, solution is acidic; if pH = 7, solution is neutral; if pH>7, solution is alkaline.

Step2: Classify lemon - juice

Lemon juice has pH 2.2. Since 2.2 < 7, it is acidic.

Step3: Classify salt - solution

Salt solution has pH 7. Since pH = 7, it is neutral.

Step4: Classify baking - soda

Baking soda has pH 9. Since 9>7, it is alkaline.

Answer:

Lemon juice: acidic
Salt solution: neutral
Baking soda: alkaline