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The main component of Pyrex glass is_____________________?
Related MCQs
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Prussian blue is chemically represented by__________?
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Solvay process as compared to dual process (i.e. modified Solvay process) ?
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In sulphate pulp manufacture, the pressure and temperature in the digestor is__________?
Glass is__________?
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Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C ?
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The chamber process is__________?
Sand and __________ is fused at 1300°C, to produce sodium silicate ?
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High purity nitrogen is used in__________?
Percentage of glycerine present in the spent lye obtained during soap manufacture is about__________?
Which of the following is an unsaturated fatty acid ?
Iron ore hematite is concentrated using __________?
The most widely used coagulant for removing suspended impurities from water is__________?
Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?
Flexible foam (for mattresses) is usually made of__________?
Thermoplastic materials__________?
The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to__________?
Main product in calcium carbide-water reaction is__________?
The yield of tar from high temperature carbonisation of dry coal is about __________ percent?
The main component of Pyrex glass is_____________________?
A. Zinc
B. Lead
C. Boron
D. Selenium
Correct Answer:
Lead
✔
Last Updated:
February 14, 2019