Question

Read the statements carefully and choose the correct option: Assertion (A): Aluminium smelting is the most important metallurgical industry in India. Reason (R): Aluminium is used in the manufacture of aircraft, wires, and utensils.

• A. Both A and R are true, and R is the correct explanation of A
• B. Both A and R are true, but R is not the correct explanation of A
• C. A is true, but R is false
• D. A is false, but R is true

Answer 1

Answer:

D. A is false, but R is true

Overview of Metallurgical Industries in India

• Iron and Steel Industry: The most important and primary metallurgical industry in India, serving as the backbone of the nation's industrial infrastructure.
• Aluminium Smelting Industry: The second most important metallurgical industry in India, right after the iron and steel industry.

Properties and Uses of Aluminium

• Key Characteristics: Aluminium is a lightweight, corrosion-resistant metal. It is a good conductor of heat and electricity, highly malleable, and gains significant strength when alloyed with other metals.
• Applications: Due to its favorable physical properties, it is widely used in manufacturing aircraft, electrical wires, utensils, and automobile parts.
• Industrial Substitute: It frequently serves as a popular substitute for steel, copper, zinc, and lead across various manufacturing sectors.
• Raw Material Source: Bauxite is the primary raw material used in aluminium smelting plants.