classsify the following substances into elements . compounds and mixtures
(I) air (ii) common salt
(iii) iron filings (iv) marble
(v) oxygen (vi) milk
(vii) zinc (viii) bronze
(ix) sand (x) water
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- air=mixture
- common salt=Substance
- Iron fillings=element
- marble=compound
- oxygen=element
- milk=mixture
- zinc=element
- bronze=element
- sand=mixture
- water=compound
Element:-
The matter which are made of same molecules in simplified way element are pure substances .
Compounds
Two or more elements combine together in a common ratio called compound.
Mixtures
A combination of different compounds and molecules is called mixture.
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