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