Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon Sodium oxide and argon Mercury vapour and argon Mercury oxide and neon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal compound commonly found in Sindhoor or Kumkum is based on Lead Tin Copper Zinc Lead Tin Copper Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Total number of halogen elements found in the periodic table is 8 3 5 13 8 3 5 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P1 P2 P4 P3 P1 P2 P4 P3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry An acid having basicity one is Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate Disodium hydrogen phosphate Phosphoric acid Sodium phosphate Sodium dihydrogen phosphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ionic radii of N3-, O2-, F- and Na+ follows the order O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- O2- > F- > Na+ > N3- N3- > Na+ > O2- > F- N3- > O2- > F- > Na+ Na+ > O2- > N3- > F- ANSWER DOWNLOAD EXAMIANS APP
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