English

A ______ process in which a substance reacts with ______ to give off heat is called combustion. - Science

Advertisements
Advertisements

Question

A ______ process in which a substance reacts with ______ to give off heat is called combustion.

Fill in the Blanks

Solution

A chemical process in which a substance reacts with oxygen to give off heat is called combustion.

shaalaa.com
Combustion
  Is there an error in this question or solution?
Chapter 6: Combustion and Flame - Very Short Answer Questions [Page 32]

APPEARS IN

NCERT Exemplar Science [English] Class 8
Chapter 6 Combustion and Flame
Very Short Answer Questions | Q 16. (a) | Page 32

RELATED QUESTIONS

List conditions under which combustion can take place.


Some words (underlined) in the following sentence is jumbled up. Write them in their correct form.

Slaags is a non-combustible material.


Match the items of Column A with the items of Column B.

Column A Column B
(a) Oxides of sulphur and nitrogen (i) fire extinguisher
(b) CNG (ii) incomplete combustion of coal
(c) Oxygen (iii) very low ignition temperature
(d) inflammable substance (iv) acid rain
(e) carbon dioxide (v) necessary for combustion
(f) carbon monoxide (vi) fuel for automobiles

Write True/False against the following statement and also correct the false statement.

A physical process in which a substance reacts with oxygen to give off heat is called combustion.


Any reaction that involves reaction with oxygen is called reaction ______. 


The chemical process in which a substance reacts with oxygen to produce heat is called ______.


Complete combustion of the fuel takes place and the colour of the flame is yellow and is the hottest part of the flame.


Fill in the blanks using the word given in the box.

ignition petrol combustion calorific value combustible combustible

The lowest temperature at which a substance catches fire is called its ______ temperature.


Fill in the blanks using the words given in the box.

ignition petrol combustion calorific value combustible combustible

The substances which have very low ______ temperature and can easily catch fire with a flame are called ______ substances.


Fill in the blanks using the words given in the box.

ignition petrol combustion calorific value combustible combustible

The amount of heat energy produced on complete combustion of 1 kg of a fuel is called its ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×