Dried ____________ is used as manure.
Sludge:
Final answer: Dried sludge is used as manure.
Fill in the blanks:
(a) Cleaning of water is a process of removing _______.
(b) Wastewater released by houses is called ________.
(c) Dried _______ is used as manure.
(d) Drains get blocked by ________ and ________.
Can dried tea leaves be used as manure?
Na2CrO4 on treatment with lead acetate gives a precipitate. This dried precipitate is used as a pigment for road signs and markings . The solid is known as: