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प्रश्न
Elements : Combine to form compounds :: Compounds : ______.
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उत्तर
Elements: Combine to form compounds:: Compounds: can be split into elements
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संबंधित प्रश्न
Tick the most appropriate answer.
The constituents of a mixture are present in
- a fixed ratio
- a variable ratio,
- the ratio of 2: 1
- none of these
Why is it necessary to separate the constituents of a mixture.
Find the atomicity of the Following molecule:
Acetic Acid
Find the atomicity of the Following molecule:
Dinitrogen Oxide
Indicate whether the following statement is true or false:
Metals can be polished.
Tick (√) the correct alternative from the choice given for the following statement.
Sugar is a compound which consists of the elements
Write the names of elements from the following symbol:
Cd
Write the names of elements from the following symbol:
Xe
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
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
