Question

You are given three materials in the form of solution citric acid magnesium hydroxide and sodium sulphate using purple cabbage solution how will you classify the given substance as acidic basic and neutral? ​

Answer 1

Answer:

Its red cabbage indicator. In neutral, it remains red. In acidic, I think it changes to purple and in basic it changes to blue.

Explanation:

Answer 2

Answer:

• By adding acids to the violet cabbage juice it turns to the pink colour.
• By adding bases to the blue cabbage juice it turns to the greenish colour.

The given substances are as follows:

• Citric acid, Magnesium hydroxide and Sodium sulphate.

Depending upon the H+ and OH- ions are given substances are classified as follows:

• Citric acid – Acid
• Magnesium hydroxide - Base
• Sodium sulphate - Neutral

By adding citric acid to the violet cabbage juice it turns to the pink colour.

By adding magnesium hydroxide to the blue cabbage juice it turns to the greenish colour.

By adding sodium sulphate to the blue cabbage juice does not change.