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प्रश्न
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
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उत्तर
Brass and bronze are mixtures as the composition of elements are not fixed by mass and has no formula.
Lead nitrate and copper sulphate are compounds as they have a fixed ratio of elements by mass and have a formula like Pb[NO3]2 and CuSO4.
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संबंधित प्रश्न
Define the term: Element
Define: Formula
State the number of atoms of each element, present in \[\ce{HNO3}\].
Also name the compound.
Find the atomicity of the Following molecule:
Acetic Acid
Indicate whether the following statement is true or false:
Elements are made up of compounds
Give the name of the radical - NO3
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Select the correct answer from the choice given below.
A group of atoms of elements
Write the names of elements from the following symbol:
Fe
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
