EASY
NDA & NA EE
IMPORTANT
Earn 100

Choose the correct statements using the codes given below:

I. Impure glycerine is purified by vacuum distillation.
II. Glycerine dissolves in water.
III. Water is a homogeneous mixture of hydrogen and oxygen.

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Important Questions on Elements, Compounds and Mixtures

EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 20
Chromatography is used to separate
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 21
During fractional distillation, the substance with-
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 22
Dialysis is used for the purification of-
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 23
Solution of CaO in water forms a-
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 24
Pure water is obtained from sea water by
EASY
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 25
I2 in water is extracted with the help of-
MEDIUM
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 26
Which one of the following is not separated by sublimation?
HARD
NDA & NA EE
IMPORTANT
Chemistry Crash Course NDA & NA EE>Chapter 2 - Elements, Compounds and Mixtures>Exercise 1>Q 27
In column chromatography, the substance obtained in the top most region of column is