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प्रश्न
Name a metal which forms amalgams.
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उत्तर
Mercury forms amalgams.
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संबंधित प्रश्न
Define matter.
Name a non-metal which is a good conductor of electricity.
Fill in the following blanks with suitable words :
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Choose one term from the following which includes the other three :
aerosol, emulsion, colloid, sol
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What is the difference between solutions and colloids ?
You have been given a suspension and a solution. How could you tell the difference between them by their appearance ?
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- a glass bottle breaking
- coal burning in air
- making a cake
- wool being knitted into a sweater
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Name the process which is used in milk dairies to separate cream from milk.
Pure copper sulphate can be obtained from an impure sample by the process of :
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(a) What do you think could (i) constituent A, and (ii) liquid D be ?
(b) What could (i) constituent B, and (ii) liquid E be ?
(c) What could liquid C be ?
(d) How will you separate the mixture containing A, B and C ?
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State whether true or false. If false, correct the statement.
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Stars including Sun are covered in ______.
Boiling refers to the process by which a substance changes from the liquid to the gaseous state at its ______ point.
Define the term matter.
