Below a height of about 86 kilometers, the three main gaseous elements, which together account for about 99.9% of the total atmosphere, exist in essentially constant proportion to the total: nitrogen comprises 78% of air by volume, oxygen comprises 21% of air by volume, and argon comprises another 0.9%.
You must be Logged in to update hint/solution
Q. Intermolecular forces in HCl are
Q. Which of the following is used to make light weight, but strong plastic ?
Q. The chemical name of plaster of paris is
Q. The isomerism which exists between CH3CHCI2 and CH2CI. CH2CI is
Q. The molecule which has the highest percentage of ionic character among the following is
Q. The chemical name of 'Plaster of Paris' commonly used for setting broken bones is
Q. What are the components responsible for acid rain?
Discusssion
Login to discuss.