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प्रश्न
State any two properties for believing that aluminium is a metal.
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उत्तर
Aluminium is lustrous and malleable, so it is a metal.
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संबंधित प्रश्न
Which one is a kind of matter:
Define matter. Give four examples of matter.
Name one solid, one liquid and one gaseous non-metal.
What elements do the following compounds contain ?
Sugar, Common salt
Give reason why graphite is used for making elecrode in a dry cell.
Which of the following does not have a fixed melting point/boiling point ?
In the following set of substances, one item does not belong to the set. Select this item and explain why it does not belong to the set :
Hydrogen, Oxygen, Steam, Chlorine
Out of a colloid, solution and a suspension :
which one has the largest particles ?
What is the most common way of expressing the concentration of a solution ?
Which of the following is a sol ?
Shaving cream, Milk, Fog, Soap solution, Hairspray
Define Sol and give one example.
Name the process which can be used to recover salt from an aqueous salt solution.
Name the process which is used in milk dairies to separate cream from milk.
Name the process by which common salt is obtained from sea-water.
How will you separate a mixture containing sand and sugar ?
Describe a method to separate a mixture of common salt and sand.
Write a method to separate a mixture of sand and potash alum.
The dyes present in fountain pen ink can be separated by the technique of :
Naphthalene can be separated from sand :
Define the term matter.
