Identify the solubility of all the given materials in water:
Sand, sugar, salt, glucose, rice flour, groundnut oil.
Solubility is the ability of a substance to completely dissolve in water. From the given list:
Soluble substances:
(i) Sugar
(ii) Glucose
(iii) Salt
Insoluble substances:
(i) Sand
(ii) Rice flour
(iii) Oil