(a) State three reasons why air is classified as a mixture.
(b) List two methods that can be used to separate a mixture of iodine crystals and iron filings.
(b) List two methods that can be used to separate a mixture of iodine crystals and iron filings.
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Correct Answer: Option n
Explanation:
(a) Three reasons why air is classified as a mixture include:
(i) The composition of air variables
(ii) The components can be easily obtained/separated by physical means
(iii) The constituents of air still retain their individual properties.
(b) The two methods include (i) Sublimation (ii) Magnetization
(a) Three reasons why air is classified as a mixture include:
(i) The composition of air variables
(ii) The components can be easily obtained/separated by physical means
(iii) The constituents of air still retain their individual properties.
(b) The two methods include (i) Sublimation (ii) Magnetization