| 1. | ||
| a) | (NH4)2CO3 | |
| b) | Al2(SO4)3 | |
| c) | CaSO4 | |
| d) | Mg(OH)2 | |
| e) | NH4NO3 | |
| f) | Ca(NO3)2 |
| 2. | |
| a) | K+Cl– |
| b) | Mg2+(Br–)2 |
| c) | Ca2+S2- |
| d) | Ca2+(H–)2 |
| e) | (Na+)2O2- |
| f) | Li+Cl– |
| g) | Pb4+(O2-)2 |
| h) | (K+)2SO42- |
| i) | Cs+Cl– |
| 3. | |
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| 4. | |
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| 5. | |
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National 5 Chemistry Homework Answers
Hyndland Science Faculty
| 1. | ||
| a) | (NH4)2CO3 | |
| b) | Al2(SO4)3 | |
| c) | CaSO4 | |
| d) | Mg(OH)2 | |
| e) | NH4NO3 | |
| f) | Ca(NO3)2 |
| 2. | |
| a) | K+Cl– |
| b) | Mg2+(Br–)2 |
| c) | Ca2+S2- |
| d) | Ca2+(H–)2 |
| e) | (Na+)2O2- |
| f) | Li+Cl– |
| g) | Pb4+(O2-)2 |
| h) | (K+)2SO42- |
| i) | Cs+Cl– |
| 3. | |
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| 4. | |
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| 5. | |
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