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Hamad S-BLOCK ELEMENTS 03/12/2021
- 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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