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

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1. Alcohol affects daily life mainly by:

A Improving concentration

B Reducing coordination

C Increasing strength

D Improving digestion

2. Which hydrocarbon family shows homologous series with difference of CH2?

A Alkanes

B Alkenes

C Alkynes

D All of these

3. Baeyer's test uses which chemical?

A Bromine

B KMnO4

C HCl

D NaOH

4. Which bond is present in alkenes?

A Single bond only

B Triple bond

C Double bond

D Ionic bond

5. Ethyne is commonly used for:

A Cooking

B Welding

C Lighting homes

D Refrigeration

6. Petroleum refining is done by the process of:

A Cracking

B Fractional distillation

C Hydrogenation

D Polymerization

7. Which factor increases alcohol-related health risks?

A Moderate use

B Excessive use

C Occasional use

D Medical use

8. General formula of alkenes is:

A CnH2n+2

B CnH2n

C CnH2n-2

D CnHn

9. Which property allows alcohols to mix with water?

A Non-polar nature

B Presence of -OH group

C High density

D Strong acidity

10. Which alcohol is poisonous and not used in drinks?

A Ethanol

B Methanol

C Propanol

D Butanol

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

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