The question is asking to match the given alloys in List-I with their corresponding constituents in List-II.

Option 1: A-1, B-3, C-2, D-4

This option states that Solder is made up of Iron and Carbon, Brass is made up of Copper and Zinc, Bronze is made up of Copper and Tin, and Steel is made up of Lead and Tin. This combination is incorrect.

Option 2: A-1, B-3, C-2, D-4

This option states that Solder is made up of Iron and Carbon, Brass is made up of Copper and Zinc, Bronze is made up of Copper and Tin, and Steel is made up of Lead and Tin. This combination is correct.

Option 3: A-1, B-3, C-2, D-4

This option states that Solder is made up of Iron and Carbon, Brass is made up of Copper and Zinc, Bronze is made up of Copper and Tin, and Steel is made up of Lead and Tin. This combination is incorrect.

Option 4: A-1, B-3, C-2, D-4

This option states that Solder is made up of Iron and Carbon,