About the mixes that are used in chemistry.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What elements are always with their "twin"? | Hydrogen, oxygen, fluorine, bromine, iodine, nitrogen, chlorine.
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| What makes something a substance? | Matter that a chemical formula can be written for.
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| What makes something a mixture? | It can be in any proportion and the parts are not chemically bonded.
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| Is alcohol a substance or mixture? | Substance
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| What is homogeneous? | An item that has all particles equally distributed.
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| What is heterogeneous | An item that has particles unevenly distributed.
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| Is pain homogeneous or heterogeneous? | Heterogeneous
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| What has large particles and settles out on standing? | Suspension
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| What has medium particles, doesn't settle out on standing, and scatters in light? | Colloids
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| What has no particles and doesn't settle out on standing? | Solutions
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| What is a physical change? | A change of how something looks that you can always change back to the original state.
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| What is a chemical change? | A change of something that you can't change back to the original state.
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| What is an example of a physical property? | Color, density, solubility, taste, melting point, hardness, boiling point, luster, odor, dissolves, slices in half, etc.
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| What is an example of a chemical property? | Flammability, reacts with acid to form hydrogen, reacts wit water to form a gas, reacts with a base to form water, can neutralize a base, decomposes, rusts, producing carbon dioxide gas, souring, rots etc.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Carolina_Girl
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