Quiz Answer Key and Fun Facts
1. What property do all metals share?
2. In a bulb, a noble gas argon is used. Why is argon used instead of air in the light bulb?
3. Compound X is unknown. Compound X does not dissolve in water, does not react with water and is used to control soil acidity. What is compound X?
4. Out of these four processes, which one is endothermic (absorbs or takes in heat)?
5. When burning petrol in motor vehicles, two gases form which contribute to acid rain. What are the two gases?
6. Please choose what gas all of these four cases produce. The four cases are acid rain on a limestone statue, a candle burning, a dog panting and fermenting grapes to make wine.
7. What product is manufactured by electrolysis in factories?
8. Which of these is liquid at room temperature?
9. The last two questions will be concerned with organic chemistry. Which organic compound contains three elements?
10. When acid and alkaline mixes, salt and water forms. When alcohol and an organic acid mixes, what organic material forms?
Source: Author
kaung30
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crisw before going online.
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