Make a list of items where substitutes are being used instead of minerals. Where are these substitutes obtained from?
Model Answer & Options
Source: TextbookSubstitutes are increasingly used to replace minerals:
- Plastics for Metals: PVC (Polyvinyl Chloride) is used for pipes instead of copper or iron. It is derived from petrochemicals.
- Fibre Optics for Copper: Optical fibre cables are used for telecommunications instead of copper wires. They are made from silica (glass).
- Composites for Steel/Aluminium: Carbon fibre composites are used in aerospace and automotive parts instead of steel or aluminium. They are derived from polymers.
- Engineered Wood for Natural Timber: Plywood and MDF are used in furniture instead of solid wood.
Take Topic Quiz
Test your understanding of this topic with instant AI feedback.
Explore the Full Topic
This is just one question from the topic "Minerals and Energy Resources".
View All QuestionsRelated Questions
- →
Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?
- →
Koderma, in Jharkhand is the leading producer of which one of the following minerals.
- →
Minerals are deposited and accumulated in the stratas of which of the following rocks?
- →
Which one of the following minerals is contained in the Monazite sand?
- →
What is the difference between an open pit mine, a quarry and an underground mine with shafts?