Q1 : chemical consumer-soap-food addatives- medicineQ2 : structure of atoms/chemical formulae n equations-isotopes-electron arrangementQ3 : acid and bases- strong / weak acidQ4 : electrochemistry-voltaic cell Q5 : rate of reaction- presence of catalystQ6 : carbon compound- interconversion tableQ7 : oxidation and reduction- rusting of ironQ8 : chemical bonds/ periodic table of elements- formation of compunds- reactiity of group 1 and 17 elementsQ9 :salts- preparation of soluble saltQ10 : thermochemistry- energy changes in chemical reaction- endothermic reaction- exp heat of combustionlisa and najihah, 5c
paper 3Q1 ;manufactured substances in industry- alloy (hardness of alloy)Q2 ; electrochemistry- factors affecting discharge of ions(concentration of ions in solution)-lisa n najihah, 5c
Q1 : chemical consumer
ReplyDelete-soap
-food addatives
- medicine
Q2 : structure of atoms/chemical formulae n equations
-isotopes
-electron arrangement
Q3 : acid and bases
- strong / weak acid
Q4 : electrochemistry
-voltaic cell
Q5 : rate of reaction
- presence of catalyst
Q6 : carbon compound
- interconversion table
Q7 : oxidation and reduction
- rusting of iron
Q8 : chemical bonds/ periodic table of elements
- formation of compunds
- reactiity of group 1 and 17 elements
Q9 :salts
- preparation of soluble salt
Q10 : thermochemistry
- energy changes in chemical reaction
- endothermic reaction
- exp heat of combustion
lisa and najihah, 5c
paper 3
ReplyDeleteQ1 ;manufactured substances in industry
- alloy (hardness of alloy)
Q2 ; electrochemistry
- factors affecting discharge of ions
(concentration of ions in solution)
-lisa n najihah, 5c