Corrections/alternatives/additions received so far (16:00 on 17 March) are posted below. If you have further enquiries, please write them in the comments' section at the bottom of this post. The examiners of the papers will answer your enquiries; also in the comments' section.
Grade 10 Practical Task Q2.2.1
The part in brackets, i.e. "Increase in potential energy" is invalid.
Grade 10 Practical Task Q2.2.2
Grade 10 Practical Task Q2.2.2
Increase in potential energy is also correct.
Grade 10 Practical Task Q2.2.3
Increase in potential energy is also correct.
Ice melts is also correct.
The part on "water that boils" is incorrect/invalid.
Grade 10 Practical Task Q3.2
"Metal" - the answer on the memo does not make sense. Accept the following: Chloride (or its formula) OR chloride ion OR the non-metal anion.
Grade 10 Control Test Q7.1.5
Grade 10 Control Test Q4.4.1
Grade 10 Control Test Q3.1.5
Grade 12 Control Test Question 4.1.3
Grade 12 Practical Task (Q1.3), Grade 11 Practical Task (Q2.5.2) and Grade 11 Control Test (Q2.4, 3.3.2 & 3.3.3)
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