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36 ❏ ✓✖ ❜ ✐ ✟ ✒ ☛ ❬ ❖ ✠ ✒ ✈ ✟✔ ✓✟ ▲ ✔ ▲ ❄ ✫ ✪ ✌ ✘✠ ✫ ✷ ◆ ❡ ✟ ✙✖ ✫ ❢ ✓ ✫ ✗ ✠ ✼ ✇✘ ✚ ✒ ✒ ✓ ❘ ✠ ✠ ✒ ✪ ✖ ✫ ✫ ✙ ✒ ✟ ① ✟ ✷ ☞ ✘ ☞ ✎ ✠ ❢ ✠ ✠ ☛ ✓✠ ✟ ✘ ✿ ✟ ✫ ☞ ✓ ❘ ✓✔ ✌ C:\Chemistry XI\Unit-2\Unit-2(2)-Lay-2.pmd 12.1.6 (Final)14.1.6,16.1.6, 17.1.6, 24.1.6
