Answer the questions attached in the image below:
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vinegar is acidic

water should be neutral but people say since it's pH 7,it will be more alkaline

salt solution is acidic

lemon juice is acidic

sugar solution is alkaline

soap is alkaline

Methyl orange will turn red with grapefruit juice.

Methyl orange will turn yellowish orange or lemme say red with oven cleaner

The addition of pure water to methyl orange will not have an effect on the color and the solution will still be around neutral pH and yellow in color.

Explanation:

Working on number 7

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2