EASY
Earn 100

Give one application of distillation.

Important Questions on Matter: Elements, Compounds and Mixtures

MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Which method is used to separate cream from milk:
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Which of the following contain five molecules of water of crystallisation?
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Components present in air can be separated by
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
On heating camphor in a porcelain dish it got mixed in air without melting. This phenomenon is known as
HARD
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture

At a refinery, petroleum is separated into several components by a process called fractional distillation using a fractionating column. Which of the following statement is incorrect about the process?
(I) Temperature decreases from the bottom to the top of the column
(II) At each level in the column only one compound is collected
(III) The fraction collecting at the top of the column is less volatile
(IV) The fraction with the highest boiling point condenses first and gets collected near the base of the fractionating column.

EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
The method used to separate two miscible liquids is? (Distillation/ Decantation)
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Write a short note on distillation. Draw a suitable diagram.
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Discuss the method to separate a mixture of two miscible liquids.
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
While diluting a solution of salt in water, a student by mistake added acetone (boiling point 56°C). What technique can be employed to get back the acetone? Justify your choice.
HARD
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Tabulate differences between distillation and fractional distillation.
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Which separation method will you use to separate the components of a mixture containing petrol and kerosene(the difference in their boiling points is more than 25°C), which are miscible with each other?
HARD
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Explain the technique used for the separation of pure water from impure water.
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Soluble impurities in water can be separated by
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
A mixture of two _____ liquids can be separated by distillation. (miscible/ immiscible)
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Two miscible liquids A and B are present in a solution. The boiling point of A is 52°C and that of B is 86°C. Suggest a method to separate them. (Simple distillation/ Fractional distillation)
MEDIUM
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Suggest the separation process for the separation of benzene (Boiling point = 80°C) from toluene (Boiling point = 110°C) with which it is miscible.   
 
HARD
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture

Give the principle and technique involved in the separation of pure water from impure water.

HARD
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25°C) which are miscible with each other?
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Distillation gives the purest form of water.
EASY
Science>Chemistry>Matter: Elements, Compounds and Mixtures>Separating the Components of a Mixture
Some substances can be obtained in a pure state from their solution by _____. (crystallisation/ filtration)