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प्रश्न
State five different characteristics of compounds.
उत्तर
Five characteristics of a compound :
(a) Components in a compound are in a definite proportion.
(b) The compound is always homogenous [i.e. identical composition].
(c) Particles in a compound are of one kind.
(d) Compounds have a definite set of properties.
(e) Elements in the compound do not retain their original properties.
(f) Components in a compound can be separated by chemical means only.
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संबंधित प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Marble
Name: the Hardest Naturally Occurring Substance
Name: an Inert Gas
Answer the following question:
Why are copper and aluminium used to make electric wires?
Fill in the blank
The most abundant element in the atmosphere is _______.
Indicate whether the following statement is true or false:
Noble gases are high reactive
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.
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
