|
1. A solution of copper (II) chloride is added to a solution of sodium sulfide. |
|
1. Carbon dioxide is bubbled through water. |
|
2. Solid dinitrogen pentaoxide is added to water. |
|
2. A solution of silver nitrate is added to a solution of potassium chromate. |
|
3. Equal molar and volume of hydrobromic acid and sodium bicarbonate is mixed. |
|
3. Aqueous solutions of nitrous acid and excess sodium hydroxide are reacted. |
|
4. Hexene is burned. |
|
4. Carbon is reacted in a nitrogen gas environment (atmosphere). |
|
5. A solution of potassium iodide is added to an acidified solution of sodium dichromate. |
|
5. An acidified solution of potassium permanganate is added to a solution of sodium nitrite. |
|
7. Excess concentrated ammonia solution is added to a solution of nickel (II) sulfate. |
|
7. Lithium bicarbonate is heated. |
|
8. Calcium sulfate is heated. |
|
8. Hydrogen peroxide is heated. |