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 A. KCI
B. KCI.MgCl2.6H2O
C. Na2B4O7.10H2O
D. CaCO3.MgCO3
Carnalite has chemical formula__________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS A. It corrodes the organic tissues
B. It is used in soda water
C. It reacts with chlorine gas
D. It reacts with fats to form soap
NaOH is named as caustic soda because________________? Read More »
Chemistry Mcqs, S-BLOCK ELEMENTS