1,378
edits
Changes
From Karnataka Open Educational Resources
Chemicals in Our daily life-1 (view source)
Revision as of 12:54, 17 June 2015
, 12:54, 17 June 2015→Activity No #
===Notes for teachers===
===Notes for teachers===
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''
===Activity No # ===
===Activity No 1 '''Chlorine preparation''' ===
{| style="height:10px; float:right; align:center;"
{| style="height:10px; float:right; align:center;"
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
|<div style="width:150px;border:none; border-radius:10px;box-shadow: 5px 5px 5px #888888; background:#f5f5f5; vertical-align:top; text-align:center; padding:5px;">
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div>
|}
|}
* '''Estimated Time'''
* '''Estimated Time''' 40min
* '''Materials/ Resources needed'''
* '''Materials/ Resources needed''' <br>
#Cocn HCL
#KMNO4
#Round bottom flsk
#Thistle funnel
#Water
#H2SO4
#Delivery tube
#Stand
* '''Prerequisites/Instructions, if any'''
* '''Prerequisites/Instructions, if any'''
* '''Multimedia resources'''
* '''Multimedia resources'''<br>
https://www.youtube.com/watch?v=vJZF_exS7pA
* '''Website interactives/ links/ simulations'''
* '''Website interactives/ links/ simulations'''
* '''Process (How to do the activity)'''
* '''Process (How to do the activity)'''<br>
When concentrated Hcl is added drop wise to the solid potassium permanganet, chlorine gas is liberated the liberated gas is collected in separate bottles by the upward displacement of air.
* '''Developmental Questions (What discussion questions)'''
* '''Developmental Questions (What discussion questions)'''
* '''Evaluation (Questions for assessment of the child)'''
* '''Evaluation (Questions for assessment of the child)'''
