Which of the following sulphates is not soluble in water ?
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
Chemistry Mcqs
Nitrates of which pair of elements give different products on thermal decomposition ?
Nitrates of which pair of elements give different products on thermal decomposition ?
A. Na K
B. Mg Ca
C. Li Na
D. Li Ca
Which element is necessary for normal leaf development ?
Which element is necessary for normal leaf development ?
A. Si
B. Ba
C. Mg
D. Ca
The word Alkali means__________________?
The word Alkali means__________________?
A. Base
B. Basic salt
C. Ashes
D. Spirit
Which one is least ionic in nature and decompose on heating ?
Which one is least ionic in nature and decompose on heating ?
A. LiOH
B. NaOH
C. KOH
D. CsOH
Which one is natron ?
Which one is natron ?
A. Na2CO3
B. Na2CO3.10H2O
C. Na2CO3.H2O
D. NaHCO3
Which ion will have maximum value of heat of hydration ?
Which ion will have maximum value of heat of hydration ?
A. A1+3
B. Cs+
C. Ba+
D. Mg+2
Electrolysis of dilute solution of NaCl results at the anode_______________?
Electrolysis of dilute solution of NaCl results at the anode_______________?
A. sodium
B. hydrogen
C. chlorine
D. oxygen
Carnalite has chemical formula__________________?
Carnalite has chemical formula__________________?
A. KCI
B. KCI.MgCl2.6H2O
C. Na2B4O7.10H2O
D. CaCO3.MgCO3
NaOH is named as caustic soda because________________?
NaOH is named as caustic soda because________________?
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