Chemistry Ozone layer is present in Troposphere Stratosphere Exosphere Ionosphere Troposphere Stratosphere Exosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry When there are two electrons in the same orbital, they have: Opposite spin Same spin Same or opposite spin No spin Opposite spin Same spin Same or opposite spin No spin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Rayon Cotton Nylon Terricot Rayon Cotton Nylon Terricot ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent 5 to 6 per cent 3 to 4 per cent 2 to 3 per cent 4 to 5 per cent 5 to 6 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is not a cause for present global warming and climate change ? Carbondioxide emission Deforstation Methane emission CFC emission Carbondioxide emission Deforstation Methane emission CFC emission ANSWER DOWNLOAD EXAMIANS APP
Chemistry The scientist who experimentally proved the existance of positron is Fermi Bethe Anderson Bohr Fermi Bethe Anderson Bohr ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS