- -t- - -., , - -c- - o-, , - - -p- - - , , --x---, hydrocarbon with 6 carbon and 14 hydrogen, R-------- S--------, the series giving the arrangement of metals in the increasing order of reactivity, --c---l, Compounds with OH group, E------l, , A........e, C 2 H 2 is a ...., S........m, The metal reacts violently with water, E.........e, The name given to a catalyst in the human body.

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