Cement and Glass Manufacture
Chemistry ⇒ Industrial Chemistry
Cement and Glass Manufacture starts at 11 and continues till grade 12.
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Describe the environmental impact of cement manufacturing.
Describe the function of alumina (Al2O3) in glass manufacture.
Describe the role of iron oxide in the manufacture of cement.
Explain the term 'clinker' in cement manufacture.
Explain the term 'hydraulic cement'.
Explain why glass is called a supercooled liquid.
Explain why glass is considered an amorphous solid.
Name the main chemical reaction that occurs in the kiln during cement manufacture.
Which compound is added to glass to make it colored? (1) Iron oxide (2) Calcium oxide (3) Sodium chloride (4) Magnesium oxide
Which of the following is a major constituent of Portland cement? (1) Calcium silicate (2) Sodium silicate (3) Potassium silicate (4) Magnesium silicate
Which of the following is a major environmental concern associated with cement manufacturing? (1) Water pollution (2) Air pollution (3) Soil erosion (4) Deforestation
Which of the following is a property of borosilicate glass? (1) High thermal expansion (2) High thermal resistance (3) Low chemical resistance (4) Opaque
Fill in the blank: The main cement compound responsible for early strength is ________.
Fill in the blank: The main chemical reaction in the setting of cement is ________.
Fill in the blank: The main ingredient of soda-lime glass is ________.
Fill in the blank: The main raw material for the manufacture of glass is ________.
True or False: Cement is a mixture of silicates and aluminates of calcium.
True or False: Glass can be recycled indefinitely without loss of quality.
True or False: Glass is a crystalline solid.
True or False: The addition of boron oxide to glass increases its thermal resistance.
