Chemistry The third shell of an atom can have a maximum of ______ electrons 18 15 21 13 18 15 21 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Different atomic number and different number of valence electrons Same atomic number and same electronic configuration Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? CaCN2 Urea Ca(CN)2 NH4NO3 CaCN2 Urea Ca(CN)2 NH4NO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound used in pricklyheat powder to prevent excessive sweating is Carbonic acid Sulphuric acid Boric acid Phosphoric acid Carbonic acid Sulphuric acid Boric acid Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
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