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Unit#9: Hydrocarbons + Unit#10: Hydroxy Compounds

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Question 1 of 20 0% read

1. Baeyer's test uses which chemical?

A Bromine
B KMnO4
C HCl
D NaOH

2. What is the functional group of alcohols?

A -COOH
B -OH
C -CHO
D -NH2

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

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

4. Which of the following is an unsaturated hydrocarbon?

A Methane
B Ethane
C Propene
D Butane

5. In bromine water test, alkenes cause:

A Formation of precipitate
B No change
C Decolorization
D Gas evolution

6. Which alcohol is safe for limited human consumption?

A Methanol
B Ethanol
C Propanol
D Butanol

7. Which factor increases alcohol-related health risks?

A Moderate use
B Excessive use
C Occasional use
D Medical use

8. Positive Baeyer's test is indicated by:

A Blue color
B Green precipitate
C Decolorization of KMnO4
D Red precipitate

9. Fossil fuels are formed from:

A Recent plants
B Volcanic activity
C Dead plants and animals
D Atmospheric gases

10. Hydrogenation of alkenes converts them into:

A Alkynes
B Alcohols
C Alkanes
D Acids

11. Which bond is present in alkynes?

A Single bond
B Double bond
C Triple bond
D Ionic bond

12. Bioethanol is considered renewable because it is made from:

A Coal
B Petroleum
C Plants
D Minerals

13. Alcohol affects daily life mainly by:

A Improving concentration
B Reducing coordination
C Increasing strength
D Improving digestion

14. Alcohol consumption policies are mainly designed to protect:

A Industry profit
B Public health
C Fuel supply
D Agriculture

15. Which alcohol causes blindness if consumed?

A Ethanol
B Methanol
C Propanol
D Butanol

16. Alcohols are widely used as:

A Oxidizing agents
B Solvents
C Reducing agents
D Catalysts

17. Hydration of alkenes produces:

A Alkanes
B Alcohols
C Ketones
D Aldehydes

18. Alcohols are used in cosmetics mainly as:

A Coloring agents
B Solvents and preservatives
C Sweeteners
D Fertilizers

19. Alkenes generally have boiling points:

A Higher than alkanes of same mass
B Lower than alkanes of same mass
C Equal to alkynes
D Very high

20. Hydration of ethene is an example of:

A Substitution reaction
B Addition reaction
C Elimination reaction
D Oxidation reaction

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