Treasure Inspiration
Chemical Reactions
T

Rates & Reversibility (GCSE)

GCSE-style stretch. Expect multi-step reasoning and exam vocabulary.

Combined Science · Hard

5

questions · ~4 min · 3 hints each (−5 pts)

Confidence tracking, 3-tier hints and instant feedback.

What you'll learn

  • 1Collision theory: more/harder collisions → faster.
  • 2Catalysts lower activation energy.
  • 3Reversible reactions reach equilibrium.
  • 4Le Chatelier: system opposes change.

Question mix

  • True / False×2
  • Multiple choice×1
  • Fill the gap×2

How it works

Score ≥ 80% to unlock
  • 1

    Rate your confidence

    Tell us how sure you feel before answering. It powers your weak-topic map.

  • 2

    Use hints if stuck

    Reveal up to 3 progressive hints per question. Each hint costs 5 Treasure Points.

  • 3

    See what went wrong

    Instant feedback solves the exact question you just answered, so nothing stays fuzzy.

Ready when you are. This takes about 4 minutes.