WAEC - Chemistry (2010 - No. 31)
An advantage of detergent over soap is that detergents
are readily available
are in powerdered from
are non-biodegradable
lather readily with water
Giải thích
Detergent lather readily with water. Soap does not lather readily with water. Soap is a good cleansing agent in soft water, in hard water it forms scum.