Cover
Quick mode selects one question from each official topic, so no branch disappears by chance.
GENERAL CHEMISTRY · LIQUIDS AND SOLIDS · MIXED PRACTICE
Change the particles.
Keep the evidence controlled.
Retrieve across all six official topics with coverage-controlled quick and mastery sets drawn from the complete twenty-four-question learning bank.
6official topics
18study objectives
6guided lessons
24practice questions
5choices per question
Why this mix works
Coverage first. Interleaving second.
Retrieve
Mastery mode selects one question from every study objective for a complete eighteen-outcome sweep.
Discriminate
Mixed order removes the lesson cue: decide which particles, attractions, phase conditions, and property evidence matter.
Repeat
A new set changes selected questions and answer positions while preserving stable answer identities.
Balanced mixed retrieval
Choose breadth or mastery.
Both modes give immediate explanations and private issue reporting. Results remain on this device and do not estimate a DAT score.
24 PRACTICE QUESTIONS · 2 STUDY MODES
Change the evidence. Preserve coverage.
Each mode covers its intended topics, then shuffles question order and all five answer choices without changing the answer key.
Sources
Official scope, original practice.
The six topic labels come from the ADA DAT User’s Manual 2026 ↗. The ADA does not publish topic quotas, so DAT TRAIN does not invent them.
Free OpenStax sections support the lessons. DAT TRAIN questions and explanations are original and are not copied from the DAT.