A. Graphite
B. Copper
C. Molten sodium chloride
D. Mercury
Which one of the following substances conducts electricity by the movement of ions ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Gypsum
B. Dolomite
C. Calcite
D. Plaster of Paris
The ore CaSO4.H2O has the general name_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
Which of the following sulphates is not soluble in water ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
Nitrates of which pair of elements give different products on thermal decomposition ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Si
B. Ba
C. Mg
D. Ca
Which element is necessary for normal leaf development ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Base
B. Basic salt
C. Ashes
D. Spirit
The word Alkali means__________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. LiOH
B. NaOH
C. KOH
D. CsOH
Which one is least ionic in nature and decompose on heating ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. Na2CO3
B. Na2CO3.10H2O
C. Na2CO3.H2O
D. NaHCO3
Which one is natron ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. A1+3
B. Cs+
C. Ba+
D. Mg+2
Which ion will have maximum value of heat of hydration ? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. sodium
B. hydrogen
C. chlorine
D. oxygen
Electrolysis of dilute solution of NaCl results at the anode_______________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS