a Name the products obtained on complete combustion of hydrocarbons How is the gas evolved during combustion tested in the laboratory Explain in brief b Write the next higher homologue of CBSE class10 Science 2016
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( a ) Name the products obtained on complete combustion of hydrocarbons? How is the gas evolved during combustion tested in the laboratory? Explain in brief. ( b ) Write the next higher homologue of : CBSE class10 Science 2016

(i)C3H6
(ii)C5H8


By:Fututron

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On complete combustion of hydrocarbons, the products obtained are CO2,
water vapour and large amount of heat and light.
It is a colourless, odourless gas which turns most blue litmus faintly red.
When carbon dioxide is bubbled through lime water, a solid precipitate of
calcium carbonate is formed, making the lime water milky.


The gas is collected by the downward displacement of water.

(b)

(i) C4H8

(ii) C6H10



13priya

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