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Preparation of Hydrogen

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Question

Give one example of combination reaction and one example of decomposition reaction in which a catalyst is used ?

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Solution

$C o m b i n a t i o n r e a c t i o n 2 N_{2} + 3 H_{2} \overset{F e}{\to} 2 N H_{3} H e r e i r o n a c t s a s a c a t a l y s t . D e c o m p o s i t i o n r e a c t i o n 2 K C l O_{3} \overset{M n O_{2}}{\to} 2 K C l + 3 O_{2} H e r e M n O_{2} a c t s a s a c a t a l y s t .$

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