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what is the composition of air?Describe it
Which is fuel is used as a rocket fuel?
how can we know that air contains water vapour?
before a jet plane takes off , it is filled with air and all doors and windows are sealed why is tis neccessary
what is electrostatic precipitator?
HOW IS THE BALANCE BETWEEN OXYGEN AND CARBONDIOXIDE IS MAINTAINED?
what is galvanisation?
what are the uses of LPG
Is Iron Pillar made of stainless steel????????
What is "liquetion of gas"?
What is the balance between oxygen and carbon dioxide?
what is the meaning of calorific
formula of salt?
what is the formule of oxygen and hydrogen?
what is respiration in chemistry?
what is the difference between chemical and physical change
what is chloro plast?
What is the difference between industry and factory????
Name the different contituents of air
can u name different components of air except the one told in the video?
why do divers and mountaniners carry oxygen cilenders wiyh them
What do you mean by Combustion?
what we understand about dust parcticles
whatt is pollution
what is air
what are the layer of atmosphere with photo
what does ignition mean?
what is oxygen cycle?
how does the sun burn in the space even though there is no oxygen in space
in the topic take test of chemistry topic-3 oxygeb-carbondioxide cycle in q.3 it is not mentioned that we have to choose the incorrect or correct option so if we are choosing the option a at last they are showing we have one mistake that the correct answer is option d but according to us option a is also correct so please give the question properly.
why lpg and cng are prefferd as a fuel?
what is the amount of nitrogen in air?
lpg and cngare preferred as fuels
air - separation of different componenets of air
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