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?
Q88)Name and give chemical equations to show the products of the combustion reation in:
a)a limited supply of air
b)sufficient supply of air
why hydrogen not used as a fuel ?
Is rusting of iron a combustion process ?
Flame of burning candle goes off when we blow strongly over it. Why?
what is ideal fuel?
is charcoal a inflammable substance?if not then list the items which are inflammable????
WHY DO WE WRAP A BLANKET AROUND A PERSON WHOSE CLOTHES CAUGHT FIRE
What is rapid combustion?Give examples.
what is the difference between combustible and inflammable substances?
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
all combustible substance are not fuel. Why??
Suppose you are asked to boil a given quantiity of water using cow dung cake, coal and LPG as fuels. Which fuel would you prefer? Give your reason.
why do you have to use paper or kerosene oil to start fire in wood or coal
some judicious use of fossil fuels.
whta is biomass
what is ideal fuel.
I am not getting in the vedio given if a glss plate is rested over innnermost zone and luminious zone a blackish ring is formed on the glass plate but in the non-luminious zone no such ring is formed thus stating athat partial combustion takes place inside luminious and innermost zone and a complete combustion occurs in non-luminious zone. plese explain me why if a blackish ring is formed on glass dish incomplete combustion takes place and if it is not formed a complete bcombustion takes place???? plese answer fast???????????
What are inert gases?give some examples?
ALL COMBUSTIBLE SUBSTANCES ARE NOT FUELS. WHY?
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?
why is hydrogen not used as fuel though it has highest calorific value?
Green leaves do not burn easily while dry leaves catch fire easily.Explain.
Is LPG a better domestic fuel than wood and why ?
Q88)What are the fine particles released on burning carbon-containing fuels called?
NAME ONE FUEL WHICH BURNS WITHOUT GIVING OFF WATER VAPOUR? AND WHY?
what is structure of flame?
What is calorific value ?
Why does petrol catch fire easily but a wood does not ?
Expect a answer by meritnation expert !!
WHY DOES A MATCHSTICK BURN ON RUBBING IT ON THE SIDE OF THE MATCHBOX
What do u mean by Calofiric?????????
WHEN THE CLOTHES OF A PERSON CATCH FIRE,HE SHOULD BE COVERED WITH A BLANKET WHY?
' Gaseous fuels are better than liquids and solid fuels'. COMMENT.
Why do forest fire occurs during hot summers?
What is history of matchstick?
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
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.
DIFFERENTIATE BETWEEN SLOW COMBUSTION RAPID COMBUSTION SPONTANEOUS COMBUSTION AND VOLATILE COMBUSTION.
PLZ..... ANSWER IT FAST .IT S IMPORTANT.
why should water not be used to put off fire caused by burning of petrol?
list out 10 combustible materials and 10 non combustible material from the kitchen
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.
your LPG gas stove at home is giving a yellow flame. What can this mean?
what is the difference between combustion and burning?
on what factor the calorific value of a fuel depends?
paper by itself catches fire easily whereas a piece of paper wrapped around an aluminium pipe does not
The defination of Clorific value
what precautions should be taken while using cng fuel in vehicles ? plss fasst i have just 9 hrs
what is volatile combustion
why are some materials burn with flame while others without flame?
hope ans by meritnation expert
Respected Meritnation experts ,
The answers of my question ,
Can the process of rusting be called combustion? Discuss.
are totally different .
Please let me know the correct answer !!!
Expert answer - Rusting and combustion are two very different processes that cannot be compared.
Rusting:It is the corrosion of iron metal. It is defined as the slow decay of iron metal in the presence of air and moisture where materials made of iron are deteriorated and a brown substance called rust is deposited on their surface. This process produces no heat and no light. Also, it is a very slow process.
Combustion:on the other hand is the process in which a substance combines with oxygen to produce heat. Combustion is an exothermic process i.e., the process is accompanied with the evolution of heat. The release of heat may or may not result in the production of light. Thus, two important things required for the process of combustion to take place are a fuel (combustible substance) and supporter of combustion (oxygen). Unlike rusting, this is not a slow process.
The only similarity between the two processes is the presence of oxygen for the oxidation of the substance. Apart from that there is no particular similarity.
which zone of a flame does a goldsmith use for melting gold and silver and why
air also contains CO2 ,so how can you say that O2 is necessary for combustion
What is tilling? What purpose does it serve?
what is combustion ??
What is slow combustion?
why the colour of bunsen flame is blue in colour and a candle has a colour yellow?plese explain me?
why does the paper cup containing water not catch fire on heating ?
Can the outer most part of a flame of a candle be blue colour? (my teacher explained that a blue flame occurs when complete combustion takes place) I need a brief, short and simple answer.
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