Question

1. Which of the followings forms colloids in soil?
(a) Sodium
(b) Potassium
(c) Calcium
(d) Nitrate​

Answer 1

Soil colloids are the most active constituent of the soil and it determine the physical and chemical properties of the soil. They are very small particles which are one-thousandth of a millimetre (0.0001 mm; 0.0004 in) small. ... Mineral colloids are usually

Answer 2

NITRATE..is the right answer