Hamad Chemistry Basic Concept 03/06/2021 A. Be+2H2O?Be (OH)2+H2 B. Be+H2O?Be (OH)2+H2 C. Be+H2O?[Be (OH)4]+2+H2 D. no reaction Related Mcqs: Diameter of an atom is in the order of________________?A. 0.2m B. 0.2mm C. 0.2nm D. 0.2pm... Which of the following is not a macromolecule ?A. sand B. haemoglobin C. diamond D. maltose... Which of the following terms is used for the mass of chlorine 35.5 ?A. relative atomic mass B. mass number C. atomic weight D. relative isotopic mass... Regular coiling or zigzagging of polypeptide through hydrogen bonding is its___________________?A. Quantum structure B. Secondary structure C. Tertiary structure D. Primary structure... Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?A. 4.0 x 10-8 B. 3.2 x 10-11 C. 2.0 x 10-8 D. 4.0 x 10-12...
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