8th Science, Exercise, 13. Chemical Change and Chemical Bond. ┅━━━•❀•━━━┅ ЁЯФЕ~~●●○○ ЁЯлР○○●●~~ ЁЯФЕ рдЖрдкрд▓्рдпा рд╡िрдЬ्рдЮाрди рд╡िрд╖рдпाрдЪ्рдпा рдоाрд╣िрддीрд╕ाрдаी рдЦाрд▓ीрд▓ ЁЯСЗ рд▓िंрдХрд▓ा ЁЯЦЗ️ рд╕्рдкрд░्рд╢ рдХрд░ा. рдоाрд╣िрддी рд╡िрдЬ्рдЮाрдиाрдЪी ЁЯО╖ ┈┅━❀꧁꧂❀━•┈ 1. Generally a ... bond is formed when atoms of two elements having similar properties combine. 2. Calcium carbonate + Hydrochloric acid → ... + Carbon dioxide + water 3. Oxygen is a ................. in respiration. 4. Due to the ... force of attraction between opposite charges, the oppositely charged ions get attracted to each other, and a chemical bond is formed between them. 5. Define a covalent bond. 6. ... gases do not form any chemical bonds, as their electron octet/duplet is complete, while the atoms with incomplete electron octets/duplets...