Answer :

(a) Burning of white phosphorus in air at room temperature is a spontaneous combustion. The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called spontaneous combustion.

(b) Burning of LPG is combustion in which a substance burns rapidly and produces heat and light with the help of external heat.


(c) Ignition of a cracker is a combustion in which a substance burns suddenly and produces heat, light and sound with the help of heat or pressure.


(d) Burning of coal dust in a coalmine is a spontaneous combustion. The type of combustion in which a material suddenly bursts into flames, without the application of any apparent cause is called spontaneous combustion.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

If the clothes ofLakhmir Singh & Manjit Kaur - Science

A lot of dry powdLakhmir Singh & Manjit Kaur - Science

Fires in undergroLakhmir Singh & Manjit Kaur - Science

which of the follLakhmir Singh & Manjit Kaur - Science

Manu was heating NCERT - Science Exemplar

What are the threNCERT - Science Exemplar

Explain why, fireLakhmir Singh & Manjit Kaur - Science

How is the fire pLakhmir Singh & Manjit Kaur - Science

When a lot of dryLakhmir Singh & Manjit Kaur - Science

The outermost zonLakhmir Singh & Manjit Kaur - Science