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hydrocarbons
methane
nitrogen oxides
ozone
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
The difference between a nuclear reactor and atomic bomb is that _
The discovery of neutron became very late because
The electrochemical cell stops working after some time because _
The electronic configuration of an atom having atomic number ‘20’ is
The electronic configuration of atom / ion can be defined by which of the following?
