Saved Bookmarks
| 1. |
Fill up-: 1) ______ reaction is accompanied by the evolution of heat. 2)the lowest temperature at which substance catch fire is _____.3)in a candle flame, the wax vapour burns completely in the _____ zone. 4) _______ rain can have serious effects on soil and water in lakes and rivers |
|
Answer» tion:1) Exothermic 2) IGNITION Temperature 3) non - LUMINOUS 4) Acid |
|