Question

By burning of a piece a wooden piece a wet cloth and iron rod write a short note

Answer 1

Very Good question for understanding the chemical reactions:

Observations

2. When wooden piece is burnt , it undergoes chemical change by giving out heat , light energy, ash of wood and Co2.

3. Wet cloth will not burn as it has water content.

4. Iron Rod will not get burn but when heated at high temperature it emits different colour like red, orange and blue colour in heated rod and finally it melts.

Conclusion:

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Wood  are considered as combustible materials.

Iron rod and wet cloth are non combustible materials.