Basic oxide is absent in __________ glass.

A. Flint

B. Pyrex

C. Quartz

D. All (A), (B) & (C)

Related Questions

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  2. Systemic insecticides
  3. Carbon tetrachloride (CCl4) is the starting raw material for the manufacture of
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  5. Bromine is used in the preparation of
  6. Kopper-Totzek coal gasifier
  7. In primitive days, __________ was being manufactured by Leblanc Process.
  8. Triple superphosphate is manufactured by reacting
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  10. Hydrogenation of oil takes place in a/an __________ reactor.
  11. Sugar content in sugarcane on cane basis is about __________ percent by weight.
  12. Coagulant is used __________ filtration.
  13. Which of the following is not a pyrite ore?
  14. The product obtained on mixing calcium oxide with water is called
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  16. All enzymes are made of
  17. Builders are added in soap to act as
  18. The main product of high temperature carbonisation of coal is
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  20. A mixture of chlorine & sodium bromide acts as a/an
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  22. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
  23. __________ is an ore of lead.
  24. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.
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  26. The type of high refractive index glass used in optical instruments is __________ glass.
  27. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.
  28. Tall oil obtained as a by-product from the black liquor recovery is
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  30. Saponification number of an oil or fat

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