Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a natural source of hydrocarbon? Natural Gas Petroleum Coal Mica Natural Gas Petroleum Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent 2 to 3 per cent 3 to 4 per cent 5 to 6 per cent 4 to 5 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Chromium Zinc Antimony Lead Chromium Zinc Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Copper Silver Mercury Aluminium Copper Silver Mercury Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon monoxide Nitrogen Nitrogen dioxide Carbon dioxide Carbon monoxide Nitrogen Nitrogen dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP