KS3 ACIDS & ALKALIS QUIZ
Escape the Chemistry Lab
Solve 5 puzzles on pH, indicators, and reactions to find the exit code!
Enter Lab
Can You Crack the Code to Escape the Lab?
To escape, you must complete five chemistry challenges covering pH, neutralisation, and household substances. Every correct answer reveals a hidden digit. Note these down carefully; you’ll need the full code to unlock the final door and win!
Acids and Alkalis
Acids range from pH 0 to 6, with lower numbers indicating stronger acidity. Alkalis range from pH 8 to 14, where higher numbers represent stronger alkalinity. Neutral substances, like pure water, sit perfectly at pH 7. Understanding this balance is your first step in navigating the lab safely.
Indicators are chemical tools that change color depending on the pH of a substance. Universal Indicator provides a spectrum of results: deep reds for strong acids, green for neutral solutions, and dark purples for strong alkalis. Use these color cues to identify the mystery samples in your path.
pH Guide
Lab Escaped!
You have mastered pH, neutralisation, and salt formation! Enter your 5-digit code to unlock the final doors. Keep exploring the fascinating world of chemical reactions as a true Chemistry Master.
Universal Indicator shows the pH value through specific color changes:
- Acids: Strong acids appear red (pH 0-3), while weaker ones turn orange or yellow.
- Neutral: A distinct green color indicates a pH of exactly 7.
- Alkalis: These range from blue for weak alkalis to deep purple for the strongest bases.
Memorize these colors; they are the secret to finding the hidden escape room codes.
Escape the Lab: KS3 Acids and Alkalis Challenge
K Donnelly
Created on May 17, 2026
Solve interactive chemistry puzzles to unlock a 5-digit exit code. This KS3 challenge tests your knowledge of the pH scale, neutralization reactions, and lab safety. Apply your understanding of indicators and acid strength to successfully escape the science laboratory.
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Transcript
KS3 ACIDS & ALKALIS QUIZ
Escape the Chemistry Lab
Solve 5 puzzles on pH, indicators, and reactions to find the exit code!
Enter Lab
Can You Crack the Code to Escape the Lab?
To escape, you must complete five chemistry challenges covering pH, neutralisation, and household substances. Every correct answer reveals a hidden digit. Note these down carefully; you’ll need the full code to unlock the final door and win!
Acids and Alkalis
Acids range from pH 0 to 6, with lower numbers indicating stronger acidity. Alkalis range from pH 8 to 14, where higher numbers represent stronger alkalinity. Neutral substances, like pure water, sit perfectly at pH 7. Understanding this balance is your first step in navigating the lab safely.
Indicators are chemical tools that change color depending on the pH of a substance. Universal Indicator provides a spectrum of results: deep reds for strong acids, green for neutral solutions, and dark purples for strong alkalis. Use these color cues to identify the mystery samples in your path.
pH Guide
Lab Escaped!
You have mastered pH, neutralisation, and salt formation! Enter your 5-digit code to unlock the final doors. Keep exploring the fascinating world of chemical reactions as a true Chemistry Master.
Universal Indicator shows the pH value through specific color changes:
- Acids: Strong acids appear red (pH 0-3), while weaker ones turn orange or yellow.
- Neutral: A distinct green color indicates a pH of exactly 7.
- Alkalis: These range from blue for weak alkalis to deep purple for the strongest bases.
Memorize these colors; they are the secret to finding the hidden escape room codes.