Advertisements
Advertisements
Question
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Advertisements
Solution
Figure 81. Separation of a mixture of two miscible liquids (here alcohol and water) by fractional distillation.
APPEARS IN
RELATED QUESTIONS
The inter-molecular space is maximum in
Liquids have definite shape and definite volume.
Write true or false for each statement. Rewrite the false statement correctly.
Matter cannot exist in different states.
State two characteristics of matter demonstrated by Brownian motion.
Name one solid, one liquid and one gaseous non-metal.
Which of the following are ‘pure substances’ ?
Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, Brick, Wood, Air
Classify the following into elements, compounds and mixtures :
arble, Air, Gold, Brass, Sand, Diamond, Graphite, Petroleum, Common salt, Sea-water, Chalk
The property/properties which enable copper metal to be used for making electric wires is/are :
On the basis of composition of matter, milk is considered to be :
Which of the following contains less solute at a given temperature and pressure ? Unsaturated solution or Saturated solution.
Define Sol and give one example.
One of the following does not show Tyndall effect. This one is :
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
Fill in the following blanks with suitable words :
The gases of air can be separated by fractional distillation of liquid air because they have different..............
A solid mixture contains four constituents P, Q, R and S. P consists of tiny grains and it is mixed with
cement for plastering the walls. Q is a white solid which is recovered on a large scale from sea water by the
process of evaporation. R is in the form of tiny particles of a material whose corrosion is called rusting. And
S is a white solid which is used in making ordinary dry cells.
- What could P, Q, R and S be ?
- How would you separate a mixture containing P, Q, R and S ?
Evaporation does form bubbles.
Give an example of a molecule.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Define the term matter.
