Select Board & Class
WHAT IS THE FULL FORM OF CNG AND LPG ?????????
list out 10 combustible materials and 10 non combustible materials
What is S.I unit of calorific value?
why hydrogen not used as a fuel ?
Is rusting of iron a combustion process ?
what is ideal fuel?
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?????
list some characteristics of an ideal feul?
how many types of combustion are there explain them
difference between rapid combustion , spontaneous combustion and explosion
distinguish between combustible and non combustible substances ,giving three examples of each
why do you have to use paper or kerosene oil to start fire in wood or coal
all combustible substance are not fuel. Why??
some judicious use of fossil fuels.
what is ideal fuel.
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?
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?
What is calorific value ?
WHY DOES A MATCHSTICK BURN ON RUBBING IT ON THE SIDE OF THE MATCHBOX
WHEN THE CLOTHES OF A PERSON CATCH FIRE,HE SHOULD BE COVERED WITH A BLANKET WHY?
why is hydrogen not used as fuel though it has highest calorific value?
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?
' Gaseous fuels are better than liquids and solid fuels'. COMMENT.
Why do forest fire occurs during hot summers?
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
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
What is the difference between Spontaneous, rapid and explosion type of combustion
What are non-combustible substances? Explain with examples.
why should water not be used to put off fire caused by burning of petrol?
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.
give reason:
paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not
your LPG gas stove at home is giving a yellow flame. What can this mean?
what is the difference between combustion and burning?
what precautions should be taken while using cng fuel in vehicles ? plss fasst i have just 9 hrs
why are some materials burn with flame while others without flame?
hope ans by meritnation expert
What is tilling? What purpose does it serve?
which zone of a flame does a goldsmith use for melting gold and silver and why
What is slow combustion?
why does the paper cup containing water not catch fire on heating ?
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Syllabus
WHAT IS THE FULL FORM OF CNG AND LPG ?????????
list out 10 combustible materials and 10 non combustible materials
What is S.I unit of calorific value?
why hydrogen not used as a fuel ?
Is rusting of iron a combustion process ?
what is ideal fuel?
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?????
list some characteristics of an ideal feul?
how many types of combustion are there explain them
difference between rapid combustion , spontaneous combustion and explosion
distinguish between combustible and non combustible substances ,giving three examples of each
why do you have to use paper or kerosene oil to start fire in wood or coal
all combustible substance are not fuel. Why??
some judicious use of fossil fuels.
what is ideal fuel.
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?
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?
What is calorific value ?
WHY DOES A MATCHSTICK BURN ON RUBBING IT ON THE SIDE OF THE MATCHBOX
WHEN THE CLOTHES OF A PERSON CATCH FIRE,HE SHOULD BE COVERED WITH A BLANKET WHY?
why is hydrogen not used as fuel though it has highest calorific value?
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?
' Gaseous fuels are better than liquids and solid fuels'. COMMENT.
Why do forest fire occurs during hot summers?
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
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
What is the difference between Spontaneous, rapid and explosion type of combustion
What are non-combustible substances? Explain with examples.
why should water not be used to put off fire caused by burning of petrol?
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.
give reason:
paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not
your LPG gas stove at home is giving a yellow flame. What can this mean?
what is the difference between combustion and burning?
a)petrol
b)kerosene
c)coal
d)LPG
the substance having the highest calorific value is
a. LPG
B. hydrogen
c. oxygen
d. coal gas
which of the following. has the highest calorific value?
1. wood
2.dung cake
3. methane gas
4. biogas
what precautions should be taken while using cng fuel in vehicles ? plss fasst i have just 9 hrs
why are some materials burn with flame while others without flame?
hope ans by meritnation expert
What is tilling? What purpose does it serve?
which zone of a flame does a goldsmith use for melting gold and silver and why
What is slow combustion?
why does the paper cup containing water not catch fire on heating ?