Match List I and List II:

1-D; 2-C; 3-B; 4-A

The correct answer is option 1. 1-D; 2-C; 3-B; 4-A.

Let us look at the compositions of these alloys:

1. Bronze:  Bronze is an alloy traditionally composed primarily of copper (Cu) and tin (Sn). The exact composition can vary, but typically, bronze contains around 90% copper and 10% tin. Bronze is known for its strength, durability, and resistance to corrosion, making it suitable for various applications such as sculptures, musical instruments, and bearings.

2. Brass: Brass is an alloy primarily composed of copper (Cu) and zinc (Zn). The proportion of copper to zinc can vary, leading to different types of brass with varying properties. Generally, brass contains around 60-80% copper and 20-40% zinc. Brass is valued for its malleability, acoustic properties, and attractive appearance, and it finds use in applications such as musical instruments, decorative items, and plumbing fixtures.

3. German silver:  German silver, also known as nickel silver, is an alloy composed primarily of copper (Cu), zinc (Zn), and nickel (Ni). The composition typically consists of approximately 60% copper, 20% zinc, and 20% nickel. German silver resembles silver in appearance but does not contain any actual silver. It is valued for its corrosion resistance, durability, and ability to be polished to a lustrous finish. German silver is commonly used in tableware, jewelry, and musical instruments.

4. Type metal: Type metal is an alloy used historically in the printing industry for casting typefaces (letters, numbers, and symbols) for printing presses. It is typically composed of lead (Pb), antimony (Sb), and tin (Sn). The exact composition can vary, but a common formulation is around 80% lead, 15% antimony, and 5% tin. Type metal alloys are chosen for their low melting point, ability to reproduce fine details, and durability under pressure. However, due to environmental and health concerns related to lead, alternative materials are now often used in printing processes.