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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