Question:
Boojho wants to separate the following materials as combustible and non-combustible. Can you help him? Charcoal, chalk, stone, iron rod,
copper coin, straw, cardboard, glass, paper, candle, wood.
Solution:
1.Combustible — charcoal, straw, cardboard, paper, candle, wood.
2.Non-combustible — chalk, stone, iron rod, copper coin, glass.