The method used to collect gas in the laboratory depends on its?
I. boiling point II. density III. smell IV. solubility in water
i and ii only
ii and iv only
iii and iv
i, ii, iii and iv
Explanation
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Discussions (3)
option B is correct 
reason is because The method used to collect gases in the laboratory is influenced by their physical properties.
Density (II): Collecting gases based on density is essential for ensuring they are effectively separated from the surrounding air.
Solubility in water (IV): This property is important for gases that can dissolve in water, as it may affect the collection and isolation process.
Boiling point (I) and smell (III) are generally less relevant for the specific method of gas collection in the laboratory.
My school, the answer according to your explanation is meant to be B which density and solubility but you chose C which is smell and solubility.
