Acidic and Basic Sol Word Scramble
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Question | Answer |
Matter can be separated into two categories: ______ and mixtures | substances |
A substance has the same composition and _____ throughout | properties |
___ and ____ are substances | elements, compounds |
A ____ is a combination of two or more substances that can be separated byphysical means. | mixture |
Substances making up a mixture retain their individual ___ properties | physical |
Components of mixtures can be separated by taking advantage of differences in their___ properties | physical |
A ___ mixture is two or more substances that are evenly mixed on the atomic level,but that are not bonded together. | homogeneous |
A solution is a ___ mixture formed when a solute dissolves in a solvent. | homogeneous |
A solid solution known as an ___ is a mixture of a metal and one or more additionalelements. | alloy |
In a ___ mixture, the substances are not evenly mixed | heterogeneous |
___ is a measure of how much solute can be dissolved in a given volume or massof solvent | Solubility |
An ___ solution can dissolve more solute at a given temperature, whereas a___ solution cannot. | unsaturated, saturated |
The ___ of a solution is exactly how much solute can be dissolved in a specific volume of solvent | concentration |
The concentration of a solution is sometimes expressed in units of ___ per liter. | grams |
The words concentrated and ___ are approximate ways of describing solutions | dilute |
A molecule such as water, having a slightly positive end and a slightly negative end, is called a ___ molecule. | polar |
A simple rule for solubility is “___ dissolves like.” | Like |
Ions in solution are responsible for the ability of a solution to ___ electricity | conduct |
An ___ produces ions when it dissolves, whereas a nonelectrolyte does not | electrolyte |
An acid is a substance that releases a positively charged ___ ion, H+, in water | hydrogen |
Acids taste ___ and turn blue litmus paper ___. | sour, red |
The hydrogen ion from an acid combines with a water molecule in solution to form a___ ion, which has the formula H3O+. | hydronium |
Because acid solutions contain ___, they conduct electric currents | ions |
A base is a substance that produces ___ ions when dissolved in water | hydroxide |
The formula for the hydroxide ion is ___ | OH- |
Bases feel ___ on your skin, taste bitter, and turn red litmus paper blue. | slippery |
Most bases are ___ compounds | ionic |
___ is a numerical scale used to indicate how acidic or basic a solution is | pH |
The pH scale runs from below __ to above __. | 0, 14 |
A highly ___ solution has a pH near 0, whereas a highly ___ solution has a pH near 14. | acidic, basic |
A ___ solution has a pH of 7. | neutral |
pH is a measure of the concentration of ___ ions in solution | hydronium |
The higher the concentration of hydronium ions, the more ___ a solution is. | acidic |
All acid and base solutions contain both hydronium ions and ___ ions | hydroxide |
In a neutral solution (pH 7) the hydronium and hydroxide ion concentrations are ___ | equal |
A change in one pH unit represents a ___ change in the acidity or basicity of a solution | tenfold |
When an acid and a base are mixed, a ___ reaction occurs | neutralization |
A neutralization reaction produces water and a ___ | salt |
An ___ is a compound that changes from one color to another within a particularpH range. | indicator |
A __ ____ is an electronic instrument with an electrode that is sensitive to the hydronium ions in a solution. | pH meter |
Created by:
jnosik
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