 |  Substance and its Nature 20 Flashcards |  Start |
 | Who is known as the father of modern chemistry for foundational contributions? |  Card: 1 / 20 |
| Antoine Lavoisier | Card: 2 / 20 |
| What is A) Plasma B) Solid C) Liquid D) Gas | Card: 3 / 20 |
| A) Plasma | Card: 4 / 20 |
| True or False: Bose-Einstein Condensate forms when bosons are heated to extremely high temperatures. | Card: 5 / 20 |
| False. BEC forms when bosons are cooled near absolute zero. | Card: 6 / 20 |
| Fill in the blank: A _____ is uniform matter that cannot be separated by physical methods. | Card: 7 / 20 |
| Pure substance | Card: 8 / 20 |
| What are the three main categories used to classify elements? | Card: 9 / 20 |
| Metals, non-metals, and metalloids | Card: 10 / 20 |
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| Why do metals generally have high melting and boiling points? | Card: 11 / 20 |
| Due to strong metallic bonding between atoms in their structure. | Card: 12 / 20 |
| What is A) Element B) Compound C) Mixture D) Solution | Card: 13 / 20 |
| B) Compound | Card: 14 / 20 |
| How does fractional distillation differ from simple distillation in separating liquid mixtures? | Card: 15 / 20 |
| Uses fractionating column to separate liquids with close boiling points effectively. | Card: 16 / 20 |
| What separation method would you use for camphor mixed with salt? | Card: 17 / 20 |
| Sublimation, as camphor sublimes while salt remains behind. | Card: 18 / 20 |
| Fill in the blank: _____ is the temperature at which liquid vapor pressure equals atmospheric pressure. | Card: 19 / 20 |
| Boiling point | Card: 20 / 20 |
| Completed! Keep practicing to master all of them. |  Restart |
