Soil colour determination chroma refers to which of the following

A. Dominant spectral colour

B. Lightness or darkness of the colour

C. Purity or strength of colour

D. None of these

Answer: Option C

Solution(By Examveda Team)

Chroma in soil colour determination refers to the relative purity or strength of the spectral colour and increases with decreasing greyness. In the soil colour chart, all colours on a given card are of a constant hue, designated by a symbol in the upper right-hand corner of the card.