Q4.I've learnt that if the boiling point of water is more than the boiling point of the ink , the colour of the liquid in the beaker should be colourless.
CORRECT ANSWER ; B
Name Of separation method ; Distillation
Flask ; Blue
Beaker ; Colourless
SECTION B - SHORT ANSWER QUESTIONS
Q6B.Both paracetamol and caffeine cannot be dissolved in solvent.
Q6C. I've learnt that paracetamol and caffeine may not dissolve in oil.
Q6e. I've learnt that water-based ink will dissolve in water, therefore a water-based ink cannot be used to draw the start line.
Q6f.I've learnt that paper chromatography can be used to separate a mixture as the mixture consists of substances which are not chemically combined together.
Q8A. I've learnt that stomach enzyme works best at a temperature of 35 degree celsius and pH level of 6.4.