A solid containing irregular arrangement of molecules produces irregular fragments uponbreaking. This solid is calledI. amorphousII. crystallineIII. polymeric

Explanation

The correct answer is I only. Amorphous solids are characterized by an irregular arrangement of molecules, which causes them to break into irregular fragments. In contrast, crystalline solids have a regular, repeating pattern of molecules, leading to well-defined fragments upon breaking. Polymers can have both regular and irregular structures, but the question specifically refers to the irregular arrangement leading to irregular fragments, which is characteristic of amorphous solids.