Welcome to your Ncert – class 9- science – Chapter 2 – Is Matter Around Us Pure 2
Which one of the following is not represented by sols
A colloidal system is a two-phase system. Point out which of the following combination can not be considered a colloidal system?
Isotonic solutions are solutions having the same
Which of the following does not represent a characteristic of pure substance?
Consider the list of following substances. How many of the following are pure substances?
Aqueous solution of a mixture contains LiCl,CuCl,NaCl and AlCl3This is shaken with ether. What is/are left in water?
All the substance which are made of the same kind of particles are called as ______.
Two immiscible liquids are separated by?
Sulphur sol contains
Find out a separating technique to separate the following mixture and write a note on it.
If the boiling point difference between the two liquids is less than 25ºC, the _______ method is used to separate them.
Which of the following statement are false regarding colloidal solution?
Which method can be applied to separate a mixture of camphor and benzoic acid?
The maximum amount of solid solute that can be dissolved in a specified amount of a given liquid solvent does not depend upon?
A student was given a mixture of sulphur and iron fillings. He was told to heat the mixture and observe. What will be the colour of the compound formed?
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