Introduction to Energy
Introduction to Energy: Overview
This Topic covers sub-topics such as Energy, Thermodynamics, Hydrogen Fuel Cell, Changes around Us, Bio Fuel, Safety Matches, Significance of Time and Technology in Resource Creation and, Chemicals Used in Preparation of Safety Matches
Important Questions on Introduction to Energy
Why hydrogen can not use as a domestic fuel?



Select whether the following statement is True or False:
Electric ray fish are a group of flattened cartilaginous fishes with enlarged pectoral fins. They are known for being capable of producing an electric discharge, ranging from to volts, depending on species, and they use this electric discharge to stun prey and for defence.

Describe the mechanism involved in the production of electricity in electric ray fish.

Does production of nitrogen dioxide during lightning makes soil fertile?

Write how people led to creation of resources.

Explain the importance of time and technology for resources.

Antimony trisulphide, sulphur, potassium chlorate are the chemicals present in match stick.

Name the chemical substances that are used in the preparation of matchstick.

A safety match has the following in its head:


Which of the following are sustainable energy sources?


Lightning results in the formation of which ions?

Earlier match stick was used to make fire.
