See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

The edge length of original cube 3 1m 10 mm   Total surface are   2 3 6 2 6 10 6 10 mm     When cube is broken into 9 10 cubes The total surface area   2 9 9 2 6 1 mm 10 6 10 mm       Increase in surface area 9 3 2 6 6 10 10 mm 6 10     For More Material Join: @JEEAdvanced_2024 AITS-FT-XI-PCM(Sol.)-JEE(Main)/2023 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 13