A. Na2CO3
B. Na2CO3.10H2O
C. Na2CO3.H2O
D. NaHCO3
Related Mcqs:
- Which one of the following is not an alkali metal ?
A. Francium
B. Caesium
C. Rubidium
D. Radium - The element cesium bears resemblance with________________?
A. Ca
B. Cr
C. Both of the above
D. None of the above - The deliquescence is a property in which a solid____________________?
A. Absorbs moisture and remains solid
B. Absorbs moisture and turns to liquid form
C. Loses water of crystallization
D. Increases the number of water of crystallization - In diaphragm cell level of brine in anode compartment is kept slightly higher which prevents_______________?
A. Hydroxide ions to reach anode
B. Chlorine gas to mix
C. Cathode to decay
D. All of the above - Which ion will have maximum value of heat of hydration ?
A. A1+3
B. Cs+
C. Ba+
D. Mg+2 - Which one is least ionic in nature and decompose on heating ?
A. LiOH
B. NaOH
C. KOH
D. CsOH - The ore CaSO4.H2O has the general name_______________?
A. Gypsum
B. Dolomite
C. Calcite
D. Plaster of Paris - Which one of the following substances conducts electricity by the movement of ions ?
A. Graphite
B. Copper
C. Molten sodium chloride
D. Mercury - 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 - Sodium is not observed in +2 oxidation state because of its__________________?
A. high first ionization potential
B. high second ioniation potential
C. high ionic radius
D. high electronegativity