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Answer 1

Statements 1 and 4 are true, while 2 and 3 are false.

Decomposition reaction

In decomposition reactions, one or more reactants decompose to produce two or more products.

Decomposition reactions with single reactants are known as single decomposition reactions. Those with 2 reactants are known as double decomposition reactions.

Decomposition reactions do not always produce elements. It could be compounds in some cases.

Decomposition reactions always obey the law of conservation.

More on decomposition reactions can be found here: brainly.com/question/8009068

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