Question

1.The most commonly used natural indicator is _____

2. When the soil is too basic, it is treated with _______ or ______

3._______ dubstances are neither acidic nor basic in nature.

4.Ascorbic acid is founs in _________and______



can u answer these questions​

Answer 1

Answer: 1- Litmus

              2- aluminum sulfate or iron sulfate

              3- Neutral

              4- Citrus fruit