Write the various constituents of petroleum and write their uses
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you should buy lakhmir singh best book where you will get all the ans
just you have to read it very carefully
just you have to read it very carefully
philheath:
lpg- used for cooking have c2h5sh gas in indane and other main constituent is butane small amount of methane and propane
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yr aap ncrt book read krro science ki 10th cls ki sarre daot clear ho jayenge
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