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29 Cards in this Set
- Front
- Back
any compound that can react with a base to form a salt. In a water solution, it tastes sour
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acid
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(sodium bicarbonate)
a substance used as an antacid and leavening agent (helps dough to rise) |
baking soda
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a substance which forms a salt when it reacts with an acid
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base
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(bromothymol blue)
a harmless chemical indicator. green in a weak acid yellow in a strong acid blue in a base |
BTB
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obtained from oranges, lemons, and other fruits. used in flavoring, dyes. is slightly corrosive and will cause stomach upset
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citric acid
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to arrange or organize into categories
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classify
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to keep from loss or work
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conserve
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to make impure by contact or mixture
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contamination
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a solidified form of a substance. atoms or molecules are arranged in a definite pattern, repeated regularly in three dimensions
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crystal
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to throw away after use
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dispose
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make a solution by mixing with a liquid
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dissolve
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an educated guess based on facts
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hypothesis
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a substance used to show the acidity of a solution and the presence of certain substances by changes of color
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indicator
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a chemical element used for antiseptic. used to test for starches. a change to a blue-black color is a positive test. poisonous, corrosive, and may be flammable
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iodine
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to increase the size of an object, with a lens
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magnify
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an instrument for magnifying objects too small to be seen by the naked eye
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microscope
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a combination of two or more kinds of matter. can be separated.
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mixture
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white, powdery calcium sulfate. when mixed with water it forms a thick paste that is used for casts of molding.
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plaster of Paris
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a mass of fine, loose particles obtained by crushing or grinding a solid
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powder
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qualities or characteristics of something
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properties
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mutual actions of substances undergoing chemical change to form a new substance
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chemical reaction
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crystalline compound that is abundance in nature and used for seasoning or preserving food
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salt
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five faculties of impressions through body organs (sight, touch, taste, smell, and hearing)
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senses
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to make hard or solid
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solidify
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a mixture of two substances
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solution
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a sample used for testing
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specimen
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white, tasteless, odorless food substance found in potatoes, rice, wheat. can be identified with iodine.
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starch
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a mixture in which particles are mixed temporarily with a liquid
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suspension
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sour liquid with a sharp odor, contains acetic acid, can cause indigestion
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vinegar
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