Question

(_____) is a combination reaction
a) cu+h2so4--->cuso4+h2
b) h2+cl2--->2hcl
c) 2hgo--->2hg+o2
d) caco3--->cao+co2​

Answer 1

Answer:

b) H2+Cl2---->2 HCl

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Answer 2

Answer:

b)H2+Cl2___>2HCl

Explanation:

Combinationreactionis a reactionin which 2 or more reactants combine together to one single product