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WHAT IS THE FULL FORM OF CNG AND LPG ?????????
list out 10 combustible materials and 10 non combustible materials
What is the difference between burning of coal and burning of candle ?
What is S.I unit of calorific value?
why does the paper cup containing water not catch fire on heating ?
why hydrogen not used as a fuel ?
Is rusting of iron a combustion process ?
what is ideal fuel?
The blue zone in a candle flame is blue in colour due to complete combustion. Complete combustion takes place in invisible (non-luminous) zone also. Instead of becoming blue in colour, why is it invisible to us?
WHY DO WE WRAP A BLANKET AROUND A PERSON WHOSE CLOTHES CAUGHT FIRE
What is rapid combustion?Give examples.
how is cough formed in our body?????
Why do forest fire occurs during hot summers?
list some characteristics of an ideal feul?
how many types of combustion are there explain them
difference between rapid combustion , spontaneous combustion and explosion
why no fuel could be considered as an ideal fuel?
plz ans it in ur own words
distinguish between combustible and non combustible substances ,giving three examples of each
all combustible substance are not fuel. Why??
what is the difference between combustible and inflammable substances?
why do you have to use paper or kerosene oil to start fire in wood or coal
A better fuel leaves __________ (more/less) residue after combusion.
some judicious use of fossil fuels.
what is ideal fuel.
WHEN THE CLOTHES OF A PERSON CATCH FIRE,HE SHOULD BE COVERED WITH A BLANKET WHY?
What are inert gases?give some examples?
Why does a goldsmith blow the outermost zone of a flame with metallic blowpipe for melting gold and silver?
Does camphor produce a flame on burning? If yes, what will be its colour?
what's the advantage of fish having a streamlined body ?
give 3 conditions which are necessary for combustion?
Green leaves do not burn easily while dry leaves catch fire easily.Explain.
Is LPG a better domestic fuel than wood and why ?
NAME ONE FUEL WHICH BURNS WITHOUT GIVING OFF WATER VAPOUR? AND WHY?
which substance has very low ignition temperature
What is calorific value ?
WHY DOES A MATCHSTICK BURN ON RUBBING IT ON THE SIDE OF THE MATCHBOX
oxygen, nitrogen, carbondioxide, carbon monoxide--------which is odd one out and why
In an experiment, on burning 3.5kg of fuel 70,000kj of energy was produced. Determine its calorific value???????????
why is hydrogen not used as fuel though it has highest calorific value?
' Gaseous fuels are better than liquids and solid fuels'. COMMENT.
WHAT KIND OF FIRES CAN EFFECTIVELY BE PUT OUT BY WATER? WHAT KIND OF FIRES IS TI NOT SUITABLE FOR? GIVE REASONS FOR BOTH CASES
Only gases burn with a flame. But when you burn wood, it initially burns with a flame. Later, it only glows without a flame. Why?
WHAT PROBLEM WILL ARISE IF A FUEL HAS AN IGNITION TEMPERATURE LOWER THAN THE AVERAGE ROOM TEMPERATURE ? NAME THE TYPE OF COMBUSTIONWILL OCCUR IN THIS CASE
WHY CARBON DIOXIDE IS CONSIDERED AS THE BEST FIRE EXTINGUISHER?
can the process of rusting be called combustion need answer with explanation and if possible give some examples but explation is important
are yaar my teacher doesnt know the answer to this question
why are piped natural gas and lpg considered good fuels for domestic use.
What is the difference between Spontaneous, rapid and explosion type of combustion
WHEN A CANDLE BURNS ,IS IT POSSIBLE TO GET THE WAX BACK
A) AFTER THE WAX MELTS
B) AFTER THE WAX BURNS
What are non-combustible substances? Explain with examples.
How has the use of CNG in motor vehicles reduced pollution in big cities?Explain
Calorific value of Cowdung is 7000kg. How much cowdung cakes are required to produce heat energy of 35000 J? Explain with steps.
why should water not be used to put off fire caused by burning of petrol?
what is the difference between combustion and burning?
A drum full of Kerosene catches fire. What is the simplest way to put off the fire?
your LPG gas stove at home is giving a yellow flame. What can this mean?
Is charcoal combustible?
paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not
CNG has a lower ignition temperature than wood. what does this statement means?
what precautions should be taken while using cng fuel in vehicles ? plss fasst i have just 9 hrs
is digestion an example of combustion ?Explain.
why are some materials burn with flame while others without flame?
hope ans by meritnation expert
how are respiration and burning of candle similar??
which zone of a flame does a goldsmith use for melting gold and silver and why
Why are we advised never to sleep in a room with burning coal fire in it?
What is tilling? What purpose does it serve?
What is slow combustion?
what is the other name of ignition temperature?
Why does petrol catch fire easily but a wood does not ?
Expect a answer by meritnation expert !!
ALL COMBUSTIBLE SUBSTANCES ARE NOT FUELS. WHY?
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