Geography
…………… industry forms the backbone of industrial development in any country.
- Chemical
- Iron and steel
- Coal
- Electronics
Related Questions
…………… is used for hardening of steel.
- Manganese
- Copper
- Nickel
- Chromium
Assertion (A): Mineral based industry forms the backbone of industrial development.
Reason (R): It provides raw material for industrial and consumer goods as well as infrastructure.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Iron is galvanised by using chromium, …………… and tungsten.
- copper
- silica
- carbon
- nickel
The molten iron that is obtained by the process of ore reduction is known as …………… .
- Cast iron
- Wrought iron
- Pig iron
- Steel