Saved Bookmarks
| 1. |
What the characteristics of chemical reaction? |
|
Answer» 1. Change in state2. Change in colour3. Change of a gas4. Change in temperature5. Change in odour6. Formation of precipitate 1)Evolution of gas. Some chemical reactions are characterised by the evolution of gas.2)Formation of precipitate. Some chemical reactions are characterised by the formation of precipitate. 3)Change in colour. Some chemical reactions are characterised by change in colour. 4)Change in temperature. 5)Change of state. |
|