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Acids and Bases
Term | Definition |
---|---|
The numerical values for acids on the Ph scale is? | 0-6 |
The numerical values for bases on the Ph scale is | 8-14 |
the numerical value for neutral on the ph scale is? | 7 |
An atom or molecule with an electrical charge is called? | ion |
Produces lots of hydrogen ions | acids |
produces lots of hydroxide ions | bases |
tastes sour, reacts with carbonates and metals | acids |
tastes bitter and feels slippery | bases |
Blue litmus paper turns red if it touches a _________ | acid |
red litmus paper turns blue if it touches a _________ | base |
Milk has a ph of 6 so it is an | acid |
ammonia has a ph of 11/5 that means it is a | base |
the ph scale has number values from _________to _______ | 0-14 |
to neutralize an acid you need to add a ___________ | base |
To neutralize a base you need to add a ___________ | acid |
cabbage juice will turn pink if it touches an | acid |
cabbage juice will turn green if it touches a | base |
can a strong base hurt you? | yes |
can a weak acid hurt you? | no |
you should always touch an acid or a base to test how strong or weak it is | No |
Strong bases produce more hydroxide ions than weak bases | yes |
strong acids produce more hydrogen ions than weak acids | yes |
Ph paper can only tell you if the substance is an acid or a base but not how strong or weak it is | no |
Litmus paper will tell you the strength of the acid or base | no |
solvent | a substance that dissolves a solute to make a solution (larger amount) |
solute | the substance that is dissolved in a solution (smaller amount) |
What is a universal solvent? | A solvent that dissolves many solutes for example water |
Mixture | 2 or more atoms that are not chemically combined |
Heterogeneous mixture | you can see all the different parts of the mixture easily |
Homogeneous mixture | you cannot see all the different parts easily |
Solubility | a measure of how easily a solute will dissolve in a solvent |
Dilute Solution | a solution with only a small amount of solute |
Concentrated Solution | a solution with only a large amounst of solute |
Saturated Solution | A solution that cannot hold any more solute at a certain temperature. |
Temperature | a factor that can affect solubility. if you increase the temperature, then the solution can dissolve more solvent. |