Class 6 Science Chapter 9: Key MCQs for Practice
Hand-picking is one of the simplest separation methods, used to remove unwanted materials like stones from grains. Winnowing takes advantage of wind to separate lighter husks from heavier grains. The MCQs in this chapter focus on such fundamental concepts, helping students understand the importance of different separation techniques. Practicing these questions with solutions will enhance problem-solving skills and conceptual clarity.

Ans.: (B)
Evaporation method is used in obtaining salt from seawater.