Question

Circle the odd one and give a reason for your choice.
1. Hydrochloric acid, citric acid, acetic acid, lactic acid
2. Calcium hydroxide, magnesium hydroxide, sodium hydroxide, ammonium
hydroxide
3. China rose petals, turmeric, red cabbage, phenolphthalein​

Answer 1

Answer:

1. Hydrochloric acid.

Others are naturally formed acids in food items.

2.Ammonium.

Others are oxides of metals.

3.Phenolphthalein.

Others are natural indicators.

Hope this helps.

have a great day.