click below
click below
Normal Size Small Size show me how
2nd Half Chem Test
Question | Answer |
---|---|
What are the 4 physical properties you can use to identify substances with? | Melting Point, Boiling Point, Density, and Color |
What are the 2 chemical properities you can use to identify substances with? | Ability to burn, and the Ability to Rust |
What are the 4 chemical changes a sustance could go through? | color chagne, temperature change, formation of a gas. |
What are chemical properties? | things that change properties when there is a chemical reaction |
What are the 2 physcial changes a substance could go through? | change in matter, change in shape |
What is a precipitate? | A percipatate is when 2 solutions combined, that form a solid substance |
How is it formed? What is an example? | A form that is made into a solid substance. An exmaple is salt |
What is the # that comes before a chemical formula? | coefficients |
What number in a chemical equation cna never change? | 7 |
What are indicatiors? | Define an acid, solution, and a neutral solution |