EASY
Diploma
IMPORTANT
Earn 100

Write an equation for the fermentation of glucose.

Important Questions on Energy

EASY
Diploma
IMPORTANT

Write the general equation for transesterification.

EASY
Diploma
IMPORTANT

Deduce the number of molecules of ester and glycerol produced per molecule of a triglyceride undergoing transesterification.

MEDIUM
Diploma
IMPORTANT
Discuss the advantages and disadvantages of the use of biofuels commercially.
EASY
Diploma
IMPORTANT

Even though water vapour is the most common greenhouse gas, carbon dioxide is more frequently discussed. Explain the reason for this.

EASY
Diploma
IMPORTANT

State three greenhouse gases and their sources.

MEDIUM
Diploma
IMPORTANT
Discuss the molecular changes that are responsible for the effect of greenhouse gases including what must occur in order for them to absorb infrared light.
MEDIUM
Diploma
IMPORTANT

Explain the mechanism by which greenhouse gases affect the temperature of the Earth's surface.

MEDIUM
Diploma
IMPORTANT

The term greenhouse effect is used to describe a natural process for keeping the average temperature of the Earth's surface nearly constant. Describe the greenhouse effect in terms of radiations of different wavelengths.