However ozone is heavier than oxygen still ozone is up there in sky why?
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Arrange by acidic values : phenol, nitrotolouene and o-cresol?
What is the safety curtain in cinema or theatre made off ?
Explain the Compound?
Why is glass electrode called an ion selective electrode?
Write the equation of photosynthesis?
what is the difference between heat and temperature?
When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?
What is wave number?
Any reaction can be reversed by applying potential. But, why can't we recharge the primary cell?
What is the composition of stainless steel ?
Why is heat more oppressive on a damp hot day ?
Why is Davy Lamp called a Safety Lamp ?