What chemistry topics appear in the dMAT Battery Science basic tasks?

Your chemistry basic task centres on Redox Reactions, the electron transfer chemistry that underlies how every battery cell generates charge. You are expected to be comfortable with oxidation as electron loss, reduction as electron gain, and how oxidation numbers reveal that a reaction is a redox reaction in the first place.

Core Redox Concepts You Should Refresh

Why Redox Chemistry Fits a Battery Module

• Every electrochemical cell works by pairing an oxidation reaction at one electrode with a reduction reaction at the other.
• Being able to track electron transfer and assign oxidation numbers quickly is exactly the skill needed to follow a passage describing an unfamiliar reaction.
• Expect the passage to introduce a specific reaction, then ask you to identify which species is oxidised, which is reduced, or what the resulting oxidation numbers are.

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My Advice

Revise oxidation number assignment until it becomes close to automatic, since that single skill unlocks most redox questions regardless of which specific reaction the passage describes. Practise on reactions you invent yourself or find in any general chemistry textbook, rather than searching for official g.a.s.t. exercises, since those are copyrighted and best used only once, directly from the source.