Chapter-2 - 11th - Experimental Techniques in Chemistry Preparation | Multiple Questions and Answers

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Chapter-2 - 11th - Experimental Techniques in Chemistry Preparation Multiple Questions and Answers.

6.	A filtration process could be very time consuming if it were not aided by a gentle suction, which is developed

	A.	If the paper covers the funnel up to its circumference
	B.	If the paper has got small sized pores in it
	C.	If the stem of the funnel is large so that it dips into the filtrate
	D.	If the paper fits tightly

7.	Which one of the following methods will be used to separate the mixture of NaCl and sand.

	A.	Chromatography
	B.	Solvent extraction
	C.	Sublimation
	D.	Filtration

8.	One of the following substances is not used as a drying reagent in a desiccator

	A.	Cons. H₂SO₄
	B.	P₂O₅
	C.	Silica gel
	D.	50% KOH

9.	Chromatography is the process which involve the distribution of a solute between

	A.	Two mobile phases
	B.	A stationary phase and mobile phase
	C.	Two stationary and two mobile phases
	D.	Two stationary phases

10.	A filtration process could by very time consuming if it were into aided by a gentle suction which is developed.

	A.	If the paper covers the funnel upto its circumference
	B.	If the paper has got small sized pores in it.
	C.	If the stem of the funnel is large so that it dips into the filtrate
	D.	If the paper fits tightly

Read More :

» Chapter-1 - 11th - Basic Concepts Preparation

» Chapter-2 - 11th - Experimental Techniques in Chemistry Preparation

» Chapter-3 - 11th - Gases Preparation

» Chapter-4 - 11th - Liquids and Solids Preparation

Date to Date Current Affairs 2022

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