Purification Techniques | MCQs

Explanation

Explanation

• Crystallization is the process of obtaining a solid substance from a solution by allowing the solution to cool and form crystals.
• This process is used to purify substances and obtain a solid in a pure form.

Explanation

• Crystallization is the process of separating a soluble solid from a solution by allowing the solution to cool and form crystals.
• This process is used to purify substances and obtain a solid in a pure form.

Explanation

• Sublimation is the process by which a solid substance transitions directly into a gas or vapour, without going through the liquid phase, and then condenses back into a solid.
• Examples include iodine, dry ice, and naphthalene.

Explanation

• Sublimation process is used for purifying a solid.
• Sublimation is the process where a solid changes directly into a gas without passing through the liquid state.

Explanation

• Distillation is a process that involves boiling a liquid and then collecting the condensed steam.
• Which is free from many impurities, resulting in a purified liquid.
• This process is commonly used to purify water, alcohol, and other liquids.