tag:blogger.com,1999:blog-8310617777279304998.post4513175643332116829..comments2024-03-08T04:33:25.555+08:00Comments on chem2U: Trial Chemistry Perak 2009Swee Moihttp://www.blogger.com/profile/02279537621181518766noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8310617777279304998.post-61814890963271545862009-10-19T12:42:30.987+08:002009-10-19T12:42:30.987+08:00paper 3
Q1 ;manufactured substances in industry
-...paper 3<br /><br />Q1 ;manufactured substances in industry<br />- alloy (hardness of alloy)<br /><br />Q2 ; electrochemistry<br />- factors affecting discharge of ions<br />(concentration of ions in solution)<br /><br />-lisa n najihah, 5cAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-8310617777279304998.post-78036638418829442042009-10-19T12:34:51.778+08:002009-10-19T12:34:51.778+08:00Q1 : chemical consumer
-soap
-food addatives
- med...Q1 : chemical consumer<br />-soap<br />-food addatives<br />- medicine<br /><br />Q2 : structure of atoms/chemical formulae n equations<br />-isotopes<br />-electron arrangement<br /><br />Q3 : acid and bases<br />- strong / weak acid<br /><br />Q4 : electrochemistry<br />-voltaic cell <br /><br />Q5 : rate of reaction<br />- presence of catalyst<br /><br />Q6 : carbon compound<br />- interconversion table<br /><br />Q7 : oxidation and reduction<br />- rusting of iron<br /><br />Q8 : chemical bonds/ periodic table of elements<br />- formation of compunds<br />- reactiity of group 1 and 17 elements<br /><br />Q9 :salts<br />- preparation of soluble salt<br /><br />Q10 : thermochemistry<br />- energy changes in chemical reaction<br />- endothermic reaction<br />- exp heat of combustion<br /><br />lisa and najihah, 5cAnonymousnoreply@blogger.com