Forecast Vs Chemistry 2014 SPM paper 2 & paper 3: pH value relationship with Strong/weak acid

Forecast 2013 Chemistry

Solubility salt was paper 3 exactly from the forecast. It is match to determine solubility and insoluble salt.
I have reference student who received my forecast: Shantitni (Sekolah Seri Muda), Addua (Sekolah Islam Seksyen 18 Shah Alam), Iqbal (Sekolah Sri KL) and Sara (sekolah Teluk Gadong) and my group student at Kuala Selangor.