KNOWLEDGE AREA by Sooryamol. TS https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8 MADE IN A WORKSHOP en-us 2023-06-18 09:03:47 UTC 2025-11-23 21:51:19 UTC hello@padlet.com CHEMICAL CHANGE sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626318453 A chemical change is a change of materials into another, new materials with different properties and one or more than one new substances are formed.
During a physical change, only a change in the arrangement of molecules occurs. Hence it can be easily brought back to its original state. In the case of chemical changes, new molecules are formed 

]]> 2023-06-18 13:47:41 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626318453 Let us familiarise ourselves with a few more chemical changes. Take two beakers and fill three-fourth of them with water. Drop a small piece of sodium in one beaker. Notice the formation of a gas by the vigorous reaction between sodium and water. After the reaction, add two drops of phenolphthalein in both the beakers. sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626322537 2023-06-18 13:57:02 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626322537 sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626324754 Balanced chemical equation]]> 2023-06-18 14:03:22 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626324754 sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626326025 Photosynthesis is a chemical reaction that is responsible for sustaining life on earth. In this reaction, plants produce glucose by absorbing light. ]]> 2023-06-18 14:06:32 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626326025 The chemical equation is.... sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626326557 2023-06-18 14:08:05 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626326557 PHOTOCHEMICAL REACTIONS sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626327485 2023-06-18 14:10:40 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626327485 sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626335061 We all seen light produced by the fire fly. How does it happens?]]> 2023-06-18 14:30:33 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626335061 Glow of fire fly sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626337561 2023-06-18 14:37:32 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626337561 Salt that turns black in sunlight sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626339419 2023-06-18 14:42:32 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626339419 sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340047 The colour change of silver bromide was due to the deposition of silver produced as a result of the decomposition of silver bromide by the absorption of light. ]]> 2023-06-18 14:44:25 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340047 sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340671 2023-06-18 14:45:16 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340671 Photochemical reaction definition sooryamolmayannur https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340981 Chemical reactions which liberate or absorb light energy are known as photochemical reactions. ]]> 2023-06-18 14:46:14 UTC https://padlet.com/sooryamolmayannur/guvegr02vyhzr7s8/wish/2626340981