Case Studies

What Happens When a Smartphone Battery Overheats While Charging Overnight?

Explore how polluted lakes experience sudden fish deaths after heavy rain through the concepts of exothermic reactions and energy changes. This CBSE Class 10 Chemistry case study combines real-life science with competency-based questions.

The Mystery of Fish Dying Suddenly in Polluted Lakes After Heavy Rain

This Class 10 Chemistry case study explains how oxidation reactions in polluted lake water reduce dissolved oxygen and cause sudden fish deaths. Includes CBSE-style MCQs, reasoning questions, HOTS, and data interpretation.

Why Can’t Petrol Burn Properly Inside a Bike Engine Without Enough Air?

A bike releasing black smoke may actually reveal an important chemistry concept. This Class 10 case study explains combustion, oxidation, and balanced chemical equations using a real engine problem students can easily relate to.

How Does an Antacid Calm Stomach Burning Within Minutes?

This Class 10 Chemistry case study explains how antacids reduce stomach acidity through neutralisation reactions. It combines real-life learning with CBSE competency-based questions and balanced chemical equations.

Why Does an Iron Gate Slowly Turn Reddish-Brown During Rainy Seasons?

This Class 10 Chemistry case study explains why iron gates become reddish-brown during rainy seasons. Students explore corrosion, oxidation, and real life chemical reactions through CBSE-style competency questions.

The Mystery of Wind Turbines Standing Still on Windy Days

Why do giant wind turbines sometimes stand still even on windy days? This Class 10 Physics case study helps students explore wind energy, flowing water energy, and environmental consequences through real-world observations and competency-based questions.