Identify the type of reaction represented by each equation. a: h2 + cl2 → 2hcl b: ch4 + 2o2 → co2 + 2h2o

Explanation:

When two elements combine together and result in the formation of a single product then it is known as a synthesis reaction.

For example,  

Therefore, the given reaction is a synthesis reaction.

Combustion is defined as the reaction in which a hydrocarbon reacts with oxygen and leads to the formation of carbon dioxide and water.

For example,

Hence, the given reaction is a combustion reaction.

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