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Argon
Xenon
Neon
Helium
The common name for the compound having formal NaOH is
The common name of sodium bicarbonate is
The compound that has the least value for octane number is:
The compound that IS NOT responsible for acid rain is
The compound(s) produced during the formation of photochemical smog is/are:
The constituent particle of a nucleus in an atom are
The constituents of automobile exhaust that can cause cancer is/are :
The credit for the discovery of transuranic element goes to
The depletion in Ozone layer is caused by _ .
The depletion of ozone layer is due to