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