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प्रश्न
Fill in the following blanks with suitable words :
The elements which are sonorous are called ..........................
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उत्तर
The elements that are sonorous are called metals.
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संबंधित प्रश्न
The smallest unit of matter that exists freely in nature is called ...........
Gases have definite volume but no definite shape.
All kinds of matter
Honey is more viscous than water. Can you suggest why?
Define matter. Give four examples of matter.
The best evidence for the existence and movement of particles in liquids was provided by :
What is meant by saying that metals are sonorous ?
Give reason why graphite is used for making elecrode in a dry cell.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
Which of the following are not compounds ?
Chlorine gas, Potassium chloride, Iron powder, Iron sulphide, Aluminium foil, Iodine vapour, Graphite, Carbon monoxide, Sulphur powder, Diamond
Out of a colloid, solution and a suspension :
which one has the smallest particles ?
What is the name of the clear liquid formed when a solid dissolves in a liquid ?
Which one of the following is not a chemical change ?
Name the process by which common salt is purified.
Describe the method of separating a mixture containing common salt, sand and ammonium chloride.
The technique which is used to separate particles of a solid suspended in a liquid quickly is called :
There are three liquids A, B and C, all having different densities and different boiling points. Liquids A and C are organic in nature whereas liquid B is considered to be inorganic. When liquids A and B are put together in a container, they form a single layer. On the other hand, when, liquids B and C are mixed, they form two separate layers :
(a) Which process will you use to separate a mixture of A and B ?
(b) Which method will you use to separate a mixture of B and C ?
(c) Name the liquids which would behave like (i) A (ii) B and (iii) C.
Name one pair of liquids which can be separated by using a separating funnel.
Complete the given analogy.
Murukku from hot oil: ______:: Coffee powder residue from decoction: ______
