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GCSE chemestry
States of Matter and Separating Techniques
| Question | Answer |
|---|---|
| How are particles arranged in solids? | Tightly packed, usually in a regular pattern. |
| How are particles ranged in liquids? | Close together with no regular arrangement. |
| How are particles arranged in gases? | Separated with no regular arrangement. |
| how do particles move in solids? | They vibrate but generally do not move from place to place. |
| How do particles move in liquids? | They vibrate, move about and slide past each other. |
| How do particles move in gases? | They Vibrate and move freely at high speeds. |
| In which state of matter do the particles have the most energy? | Gas |
| What is the name of the change when a liquid becomes a solid? | Freezing |
| What is sublimation? | When a solid turns into a gas |
| What eventually happens to a gas if its pressure is increased? | It condenses |
| What is a pure substance? | A pure substance has only one component. |
| What is a mixture? | A mixture has variable combinations |
| Define the term Mobile-phase | Define the term Mobile-phase |
| During filtration a liquid passes through the filter paper. What is this called? | Filtrate |