(a) A mixture of milk and water can be separated by filtration.\(\rightarrow \) FALSE
REASON: No, filtration is used for the separation of solid components of the mixture from the liquid. But here both the components are liquids.
(b) A mixture of powdered salt and sugar can be separated by the process of winnowing. \(\rightarrow \) FALSE
REASON: No, winnowing is used to separate heavier particles from the lighter particles which can be blown away by the wind. But here both sand and sugar are heavy particles.
(c) Separation of sugar from tea can be done with filtration. \(\rightarrow \) FALSE
Reason: No, separation of sugar from tea can not be done with filtration because sugar is soluble in water.
(d) Grain and husk can be separated with the process of decantation. \(\rightarrow \) FALSE
REASON: No, decantation is used to separate insoluble solid components from the liquid component.