Label the samples based on their ph values alkaline, acidic, neutral 1. lemon juice ph 2.2 2. salt solution ph 7 3. baking soda ph 9 4. bleach ph 13 5. tomato juice ph 4 6. gastric juices ph 1

The pH scale ranges from 0 to 14.  

A pH of 7 is neutral.  

A pH less than 7 is acidic.  

A pH greater than 7 is basic.

So according to the definition, we can identify the given samples.

1. Lemon juice pH 2.2   -- acidic

2. Salt solution pH 7     neutral

3. Baking soda pH 9   basic

4. Bleach pH 13  --- basic

5. Tomato juice pH 4  --- acidic

6. Gastric juices pH 1   --- acidic

Lemon juice > acidic

Salt solution > neutral

Baking soda > basic

Bleach > basic

Tomato juice > acidic

Gastric juices  > acidic

Step-by-step explanation:

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