1. Natural gas mainly consists of:
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Half Book 2
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2. What is the optimum temperature for fermentation?
3. Which functional group is present in alcohols?
4. What is the molecular formula of ethene?
5. Which factor increases the strength of polymers?
6. Which functional group is responsible for acidity in carboxylic acids?
7. Which petroleum fraction is used as fuel for cars?
8. The reaction between an acid and a base produces:
9. Which reagent is commonly used for oxidation of ethanol to ethanoic acid?
10. Chemical equilibrium is called dynamic because:
11. Alcohols are good fuels because they:
12. Alcohol production by fermentation is considered:
13. Alcohols are widely used as:
14. Which compound belongs to alkynes?
15. Which biomolecule is made of glycerol and fatty acids?
16. Which alcohol is commonly used in spirit lamps?
17. Which polymer is used in making insulation tapes?
18. What is a polymer?
19. Which of the following is a physical property of alkenes?
20. Which fraction of petroleum is used as fuel for cars?