Chemistry Which one of the following is most acidic MgO Al22O3 Na2O CaO MgO Al22O3 Na2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms having the same number of protons but different number of neutrons are called : Higgs-boson Cations Isotopes Anions Higgs-boson Cations Isotopes Anions ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Gold Sodium Copper Silver Gold Sodium Copper Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon Mercury vapour and argon Mercury oxide and neon Sodium oxide and argon Sodium vapour and neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases will effuse out of football bladder most quickly ? N 2 He O2 H2 N 2 He O2 H2 ANSWER DOWNLOAD EXAMIANS APP
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