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प्रश्न
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
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उत्तर
Chromatography – Ink
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संबंधित प्रश्न
Fill in the blan
An ________ is a homogeneous mixture of two or more metals.
Define: Formula
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Tick (√) the correct alternative from the choice given for the following statement.
Sand is a compound of
Write the names of elements from the following symbol:
Cu
Elements : Combine to form compounds :: Compounds : ______.
State true of false. If false, give the correct statement.
Two different elements may have similar atoms.
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
