Viraf J Dalal Chemistry Class 8 Icse Solutions Direct

Maya smiled. She wrote confidently: Combination reaction. Iron + Oxygen → Iron(III) oxide. The increase in mass is due to the added oxygen from the air.

Maya reluctantly opened to . She found the exact question: “Q. 4(c) – Explain with an example why the mass increases in some chemical changes.” viraf j dalal chemistry class 8 icse solutions

Suddenly, the concept clicked. She opened the solution book again — not to copy, but to her own answers to 10 practice questions. Each time, the solutions explained the reason , not just the final line. Maya smiled

Her father, a civil engineer, was busy with site plans. Her mother suggested, “Why not check the solution book?” The increase in mass is due to the added oxygen from the air

Maya didn’t have 3 days, but she had a lightbulb moment: The rust isn’t just “damage.” It’s a new substance that captured invisible oxygen from the air.