Chemistry S Block Elements Important Compounds Calcium Online Exam Quiz
Chemistry S Block Elements Important Compounds Calcium GK Quiz. Question and Answers related to Chemistry S Block Elements Important Compounds Calcium. MCQ (Multiple Choice Questions with answers about Chemistry S Block Elements Important Compounds Calcium
In the average composition of portland cement, the percentage of magnesium oxide is a ___________
Options
A : 3 to 4%
B : 2 to 3%
C : 4 to 5%
D : 1 to 2%
What is the enthalpy of heat for dissolving quicklime and water?
Options
A : 55 kJ/mol
B : 63 kJ/mol
C : 75 kJ/mol
D : 78 kJ/mol
What is the average percentage of available chlorine theoretically?
Options
A : 85
B : 49
C : 58
D : 66
Which of the following compound is formed when slaked lime is treated with excess dioxide in the presence of water?
Options
A : Barium sulphate
B : Calcium carbonate
C : Calcium hydroxide
D : Calcium bicarbonate
Which of the following acid chemical formula first slaked lime?
Options
A : Calcium chloride
B : Calcium oxide
C : Calcium hydroxide
D : Calcium carbonate
What is chloride of lime?
Options
A : Calcium sulphate
B : Calcium chloro hypochlorite
C : Calcium chloride
D : Calcium hydroxide
Which of the following do you think is the correct formula for gypsum?
Options
A : CaSO4.2H2O
B : CaSO4.1/2H2O
C : CaSO4.H2O
D : CaSO4
What is dead burnt plaster?
Options
A : Hexahydrate calcium sulphate
B : Hemihydrate calcium sulphate
C : Anhydrous calcium sulphate
D : Decahydrate calcium sulphate
Which of the following is not a compound of mortar?
Options
A : Phenol
B : Quicklime
C : Sand
D : Water
Which of the following is not a use of calcium chloro hypochlorite?
Options
A : Sterilization of water
B : Manufacture of chloroform
C : Germicide
D : Painting
Chemical Engineering Basics - Part 1 more Online Exam Quiz
Chemistry S Block Elements Anomalous Properties Lithium
Chemistry S Block Elements Biological Importance Sodium Potassium
Chemistry S Block Elements General Characteristics Compounds Alkali Metals
Chemistry S Block Elements Group 1 Elements Alkali Metals
Chemistry S Block Elements Group 2 Elements Alkaline Earth Metals
Chemistry Solid State Characteristics
Chemistry Solid State Close Packed Structures
Chemistry Solid State Crystal Lattices Unit Cells