Cos chapter 12

Submitted by Miranda on Mon, 08/15/2022 - 16:50

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There are 34 questions in this lesson.

	Question	Answer
11	An atom or molecule that carries an electrical charge is called an _______________	ion
12	Alpha hydroxy acids (AHAs) are derived from _______________ and used in the salon to exfoliate the skin and to help adjust the pH of certain products	plants
13	Chemical reactions that release a significant amount of heat under certain circumstances are _______________	exothermic
14	A substance that has a pH below 7.0 is considered to be ____________	acidic
15	Alkanolamines are often used in place of ammonia because they ____________	produce less odor
16	Which of these is NOT composed of organic chemicals?	Minerals
17	Elemental molecules contain two or more __________________ of the same element in definite proportions	atoms
18	Vapor is ______________ that has evaporated into a gas-like state	a liquid
19	An oxidizing agent is a substance that releases ______________	oxygen
20	A pure substance is a chemical combination of matter in __________ proportions	fixed