DSE Chem 2023 Paper 1B (LQ) Q2 (Section 7)

By-Topic Past Paper Solution:
(By-Year Past Paper Solution Playlists見置頂留言)
Section 1 Planet Earth
[MC] • Chem Section 1 MC Solu...
[LQ] • Chem Section 1 LQ Solu...
Section 2 Microscopic World (I)
[MC] • Chem Section 2 MC Solu...
[LQ] • Chem Section 2 LQ Solu...
Section 3 Metals
[MC] • Chem Section 3 MC Solu...
[LQ] • Chem Section 3 LQ Solu...
Section 4 Acids and Bases
[MC] • Chem Section 4 MC Solu...
[LQ] • Chem Section 4 LQ Solu...
Section 5 Fossil Fuels and Carbon Compounds
[MC] • Chem Section 5 MC Solu...
[LQ] • Chem Section 5 LQ Solu...
Section 6 Microscopic World (II)
[MC] • Chem Section 6 MC Solu...
[LQ] • Chem Section 6 LQ Solu...
Section 7 Redox Reactions, Chemical Cells and Electrolysis
[MC] • Chem Section 7 MC Solu...
[LQ] • Chem Section 7 LQ Solu...
Section 8 Chemical Reactions and Energy
[MC] • Chem Section 8 MC Solu...
[LQ] • Chem Section 8 LQ Solu...
Section 9 Rate of Reaction
[MC] • Chem Section 9 MC Solu...
[LQ] • Chem Section 9 LQ Solu...
Section 10 Chemical Equilibrium
[MC] • Chem Section 10 MC Sol...
[LQ] • Chem Section 10 LQ Sol...
Section 11 Chemistry of Carbon Compounds
[MC] • Chem Section 11 MC Sol...
[LQ] • Chem Section 11 LQ Sol...
Section 12 Patterns in the Chemical World
[MC] • Chem Section 12 MC Sol...
[LQ] • Chem Section 12 LQ Sol...
Section 13 Industrial Chemistry
• Chem Section 13 Solution
Section 15 Analytical Chemistry
• Chem Section 15 Solution

[@DCExplained-1984]

By-Year Past Paper Solution: (By-Topic Past Paper Solution Playlists見info-box) DSE 2012 [MC] kzbin.info/aero/PLZUOr2_ufrf-EcAdRa3A3_bESIEBMrDrP&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf859vNtW2PBcLX8RhgxFKSY&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_2eg-sOJwMYlEG4ktcMDSB&feature=shared DSE 2013 [MC] kzbin.info/aero/PLZUOr2_ufrf_y8ooIavDsV45Ihof1F4iN&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf8kUkcJHVJUCFxMA1CcE6iE&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf9NVSg3vWryCJRa5yYFJvYK&feature=shared DSE 2014 [MC] kzbin.info/aero/PLZUOr2_ufrf9D_VIKzmct_MuqsF7TJbPE&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf8ZxfpyJnsfiXjtfwQjcYzM&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf-XNpr3skWIHFOkSwchd29M&feature=shared DSE 2015 [MC] kzbin.info/aero/PLZUOr2_ufrf9p9B2-Jem_XRtlArctQWjO&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf-mKL0e2Ut_KY0A6kt_0xr0&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf9C4-oQBVYAT7n6RpqeJcmU&feature=shared DSE 2016 [MC] kzbin.info/aero/PLZUOr2_ufrf_3dru28tc8NGw78XF3Z6s1&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf_Wpvms7IXFvbfknhKr2qPA&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_aWQyT4GcgGApCTWGs7qFT&feature=shared DSE 2017 [MC] kzbin.info/aero/PLZUOr2_ufrf9-5E-VGtl3IcmTu4FbVe8K&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf_VuewUTRJXqdlU-WSJrcq1&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_kmE7Hh5K-ENkjrJE2Dc3d&feature=shared DSE 2018 [MC] kzbin.info/aero/PLZUOr2_ufrf_dYcyA03LodPpzKjEKCthZ&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf9KKVZU4VmvCC_ag2fFJFpp&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_uKL_BlpfKqElkEuPuI1xF&feature=shared DSE 2019 [MC] kzbin.info/aero/PLZUOr2_ufrf-8lDUcV2JM_dgoeJlnjZBL&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf8rxsygOn0qWzcgXGAC86y4&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf8hBzlk7coLVe40kcIETecG&feature=shared DSE 2020 [MC] kzbin.info/aero/PLZUOr2_ufrf_5EqrExf12m6_W31NDILMD&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf8otf4o2R6fRywzWCNnwqgc&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf8q62tNGjas_rxOONZ9whtM&feature=shared DSE 2021 [MC] kzbin.info/aero/PLZUOr2_ufrf9qkFoH0Q4sgNxKGS0zc69h&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf_6qa_NPTqGLJm5lmcInDNK&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf-IVWeYS56-U6k6efdvoDAC&feature=shared DSE 2022 [MC] kzbin.info/aero/PLZUOr2_ufrf8K377Cgbi9yJ2CPV7LqKTC&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf80xOnsZz3piRSILhzJDi1I&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_2WcP6vAyD0YGiZWMp9O79&feature=shared DSE 2023 [MC] kzbin.info/aero/PLZUOr2_ufrf8W75IQtagOu6lPxkITMzPP&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf_bCDUSq5wnMY_R63vgkfQ0&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf_PtIKstge5sSXHh1iYWWIq&feature=shared DSE 2024 [MC] kzbin.info/aero/PLZUOr2_ufrf8KWPnnuzYrMCU2IEjqqR3t&feature=shared [LQ] kzbin.info/aero/PLZUOr2_ufrf9IWXd-P1LFTE8EH6tQFGtd&feature=shared [Elective] kzbin.info/aero/PLZUOr2_ufrf9rH9C-zUWftSXcpxa98dAW&feature=shared