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Which process requires energy to decompose a substance?

June 2018 NY Regents Chemistry Exam


24 Which process requires energy to decompose a substance?

(1) electrolysis

(2) neutralization (3) sublimation

(4) synthesis


Solution: Electrolysis requires energy to decompose a substance. Neutralization is a reaction between an acid and a base. Sublimation is conversion of a solid substance into gas. Synthesis is a reaction where several substances react together to produce one substance.

Answer: 1


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