Question

Solve the questions pls answer it

Answer 1

1. False

If soil is too basic, we should add organic minerals to it like manure to neutralize it.

2. True

Phenolphthalein is often used as an indicator in acid-base titrations. For this application, it turns colorless in acidic solutions and pink in basic solutions. It belongs to the class of dyes known as phthalein dyes.

3. False

China rose turns Basic solution to green.

4. False

Spinach has such high levels of oxalic acid. This acid is naturally present in vegetables and binds with iron which blocks its absorption in the gut.