LPG, CNG and petrol are examples of (a)   combustion

Ignition temperature of white phosphorus used in matchsticks is (a)   degree centigrade

Colour Non luminous flame is (a)  

Cow dung cake is used to make (a)   fuel which is eco friendly

A good fuel should have a high (a)  

A (a)   is a region of fire where combustion of gaseous substances takes place

(a)   colour of the flame is caused due to the glow of unburnt carbon particles

Outer zone is also called (a)   zone

(a)   is another word for kindling temperature

Type of flame depends on the proportion of (a)   available for combustion

Of all the fuels (a)   has the highest calorific value but cannot be used because of its explosive nature

The substance to which a substance must be heated for combustion to take place is known as its (a)  

The inner most zone of a candle flame is also known as (a)  

If the minimum temperature for a certain substance is very low then what is the substance called (a)  

LPG is (a)   type of fuel

(a)   is the poisonous substance produced on incomplete combustion of fuel

A type of combustion in which a material bursts into flame without application of heat is called (a)   combustion

(a)   flame is used for cutting and welding of metals

The average flame temperature of a candle flame is (a)   degree centigrade