Hamad S-BLOCK ELEMENTS 03/12/2021 A. Na2CO3 B. K2CO3 C. (NH4)2CO3 D. CaCO3 Related Mcqs: Ammonia may be prepared by heating ammonium chloride with_______________?A. Water B. NaCl C. Aqueous sodium hydroxide D. H2SO4... Which ion will have maximum value of heat of hydration ?A. A1+3 B. Cs+ C. Ba+ D. Mg+2... Which one is natron ?A. Na2CO3 B. Na2CO3.10H2O C. Na2CO3.H2O D. NaHCO3... Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?A. Lithium B. Sodium C. Potassium D. Rubidium... Which one of the following pairs shown diagonal relationship in the periodic table ?A. Sodium and Lithium B. Lithium and magnesium C. Lithium and beryllium D. Boron and Beryllium...
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