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Quarter 3

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Question 1 of 20 0% read

1. What type of fuel are alcohols considered?

A Solid fuel
B Liquid fuel
C Gaseous fuel
D Nuclear fuel

2. Ethanol can also be manufactured by hydration of:

A Ethane
B Ethene
C Ethyne
D Methane

3. Which bacteria are responsible for conversion of ethanol into vinegar?

A Lactobacillus
B Acetobacter
C Rhizobium
D E. coli

4. Which group of carboxylic acid takes part in ester formation?

A Carbonyl group
B Alkyl group
C –OH group
D –COO– group

5. Esters are commonly used in:

A Fertilizers
B Perfumes
C Cement
D Glass making

6. What is the by-product of esterification reaction?

A Hydrogen
B Carbon dioxide
C Water
D Oxygen

7. Which reagent is commonly used for dehydration of alcohols?

A Dilute HCl
B Concentrated H2SO4
C NaOH
D KMnO4

8. Which property of alcohols makes them useful as disinfectants?

A High melting point
B Ability to kill microbes
C Sweet taste
D Insolubility in water

9. Which hydrocarbon contains only single covalent bonds?

A Alkene
B Alkyne
C Alkane
D Aromatic hydrocarbon

10. Which property allows alcohols to mix with water?

A Non-polar nature
B Presence of -OH group
C High density
D Strong acidity

11. Which is the simplest carboxylic acid?

A Ethanoic acid
B Methanoic acid
C Propanoic acid
D Butanoic acid

12. Which salt is formed when ethanoic acid reacts with sodium metal?

A Sodium acetate
B Sodium carbonate
C Sodium bicarbonate
D Sodium hydroxide

13. Which property makes esters suitable for perfumes?

A High acidity
B Pleasant smell
C High reactivity
D Strong basicity

14. Which effect is caused by long-term alcohol use?

A Improved memory
B Liver damage
C Stronger bones
D Better eyesight

15. Alcohol consumption policies are mainly designed to protect:

A Industry profit
B Public health
C Fuel supply
D Agriculture

16. Excessive alcohol consumption mainly affects:

A Bones
B Liver
C Skin
D Teeth

17. Which carboxylic acid is present in ant stings?

A Ethanoic acid
B Methanoic acid
C Citric acid
D Oxalic acid

18. Cracking of large alkanes mainly produces:

A Alcohols
B Alkenes
C Carboxylic acids
D Esters

19. Alcohol production by fermentation is considered:

A Chemical process only
B Biological process
C Physical process
D Nuclear process

20. General formula of alkynes is:

A CnH2n+2
B CnH2n
C CnH2n-2
D CnHn

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