One of he following burns without producing a flame . This is :

One of the following burns without producing a flame . This is :

Which of the following burns without producing a flame ?

Name one fuel which burns without producing a flame.

Which of the following does not burn with a flame?

Which of the following burns by producing a yellow luminous flame?

Which of the following does not produce a flame on burning ? Camphor, Charcoal, Kerosene

A hard material X which is mined from the earth is used as a houselold fuel and also for the generation of electricity at Thermal power Stations. A soft material Y is also used as a fuel in the form of candles .A gaseous material Z which occurs alongwith petroleum is uncreasingly being used as a fuel in running vehichles in its compressed from . (a) What are materials X,Y andZ? (b)When materials X,Y and Z are burned separately: (i)Which materials burns by producing a yellow , luminous flame? (ii) Which material ultimately burns without producing a flame? (iii) Which material can burn in a gas stove buy producing a blue flame?

Benzene burns with a luminous flame.

Assertion:Charcoal has equal heating power than wood. Reason:Charcoal burns without producing flame or smoke.

Which of the following does not produces a flame on burning? Camphor, Charcoal, Kerosene