Cement and Glass Manufacture
Chemistry ⇒ Industrial Chemistry
Cement and Glass Manufacture starts at 11 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Cement and Glass Manufacture.
How you perform is determined by your score and the time you take.
When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 12
Describe the difference between the dry and wet process in cement manufacture.
Describe the environmental impact of cement manufacturing and suggest one way to reduce it.
Describe the function of sodium carbonate in glass manufacture.
Explain the role of gypsum in the manufacture of cement.
Explain the term 'clinker' in cement manufacture.
Explain why cement is called a hydraulic binder.
Explain why glass is considered an amorphous solid.
Explain why the rotary kiln is inclined in cement manufacture.
During the manufacture of glass, which substance acts as a flux to lower the melting point of silica? (1) Na2CO3 (2) CaCO3 (3) Al2O3 (4) Fe2O3
Which compound is added to glass to make it resistant to thermal shock? (1) B2O3 (2) PbO (3) Na2O (4) CaO
Which of the following is a major environmental concern associated with cement manufacturing? (1) Water pollution (2) CO2 emissions (3) Ozone depletion (4) Acid rain
Which of the following is a property of borosilicate glass? (1) High thermal expansion (2) High resistance to thermal shock (3) Low chemical resistance (4) High refractive index
Fill in the blank: The main constituent of Portland cement responsible for early strength is ________.
Fill in the blank: The process of heating limestone in the absence of air to form quicklime is called ________.
The chemical formula of the main component of ordinary glass is ________.
The main chemical reaction in the setting of cement involves the hydration of ________.
State whether the following statement is true or false: Cement hardens due to the evaporation of water.
State whether the following statement is true or false: Glass is a crystalline solid.
State whether the following statement is true or false: The addition of MnO2 to glass removes the green color caused by iron impurities.
True or False: The addition of lead oxide (PbO) to glass increases its refractive index.
