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प्रश्न
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
उत्तर
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संबंधित प्रश्न
What is the difference between a pure substance and a mixture ?
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Sand
Define Elements.
Define: Atom
Find the atomicity of the Following molecule:
Carbon Monoxide
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Give a reason for the following statement :
The filter paper made into a cone & placed in a funnel for filtering out the solid particles in a solid-liquid mixture should be moistened before placing it.
Differentiate metals and non-metals.
Reason out
Elements are called semimetals.
