Best of Luck On Your Mid-year Examination 2013

 

Credit picture : HERE

 

Credit picture : HERE

 

 

TO ALL MY STUDENTS,

 

ALL THE BEST FOR YOUR MID-YEAR EXAMINATION 2013.

 

 

From,

 

 

Experiment 5.4 : Exothermic and endothermic reaction

Student from class 4UIAM 2013

 

Experiment 5.4 : Exothermic and endothermic reaction

(Science Process Skills Workbook page 82-84)

 

Experiment : Physical and Chemical Changes

Student from class 4UIAM

 

Experiment 5.3 : Physical and Chemical Changes

(Science Process Skills Workbook page 81)

 

 

 

Physical Change

 

Substance : Copper (II) sulphate crystals and water

Observation : Copper (II) sulphate crystals dissolve in the water to form blue solution

 

 

Chemical Changes

 

Substance : Potassium iodide and lead (II) nitrate

Observation : Yellow precipitate form

 

 

Experiment : Crystallisation process

 

Experiment 4.17 (Science process skills workbook page 71 & 72)

 

Aim : To study the purification method for a saturated solution of table salt.

(Mengkaji kaedah penulenan bagi larutan tepu garam biasa)

 

Student from class 4UIAM

 

 

 

 

 

 

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