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4th weeks science
Question | Answer |
---|---|
A mixture that has the same composition, color, density and taste throughout | solution |
2 examples of solutions | air, brass |
a heterogeneous mixture whose particles never settle | colloid |
2 examples of colloids | gelatin, fog |
a heterogeneous mixture containing a liquid in which visible particles settle | suspension |
2 examples of suspension | mayo, mud |
the substance being dissolved | solute |
3 examples of solutes | carbon dioxide, sugar, cocoa powder |
the substance doing the dissolving | solvent |
1 example of a solvent | water |
the maximum amount of a solute that can be dissolved in a given amount of solvent at a given temperature | solubility |
how can solubility help you identify a substance | it gives you the properties and characteristics |
what are 3 factors that affect solubility | temperature, pressure, type of solvent |
list 4 properties of acids | taste sour, conduct electricity, corrosive, reacts with certain metals |
4 examples of products that contain acids | soft drinks, vinegar, tomatoes, blood plasma |
4 properties of bases | taste bitter, feel slippery, corrosive, can conduct electricity |
4 examples of products that contain bases | milk, egg whites, baking soda, drain cleaners |
pH for acids | below 7 |
pH for bases | above 7 |
a chemical reaction between an acid and a base that takes place in a water solution | neutralization |