Is pyrex just tempered glass, or is there anything else in it?

Is pyrex just tempered glass, or is there anything else in it?
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The heat resistant quality
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We have a 3/8" thick glass coffee table top which we want to shorten. We are told if the glass is tempered- no can do. True any way to tell if a piece of glassis tempered?

Description : We have a 3/8" thick glass coffee table top which we want to shorten. We are told if the glass is tempered- no can do. True any way to tell if a piece of glassis tempered?

Last Answer : You can not cut tempered glass because once a piece is broken the whole glass shatters. Tempered glass is safer because it breaks into tiny pieces rather than sharp edges like regular glass. The ... stress waves. You will see stress waves in tempered glass verses regular glass. Hope this helps.

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Which of the following is responsible for the extra strength of pyrex glass? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

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Last Answer : (3) Borax Explanation: Older clear-glass Pyrex manufactured by Corning before 1998, Arc International's Pyrex products, and Pyrex laboratory glassware is made of borosilicate glass. According ... glass cookware manufactured by World Kitchen is made of tempered sodalime glass instead of borosilicate.

Which type of glass is used for making glass reinforced plastic? (1) Pyrex glass (2) Flint glass (3) Quartz glass (4) Fibre glass

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Last Answer : (4) Fibre glass Explanation: Fiberglass is a lightweight, extremely strong, and robust material. Although strength properties are somewhat lower than carbon fiber and it is less stiff, the material ... also very favorable when compared to metals, and it can be easily formed using molding processes.

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Description : Which one of the following types of glass can cut off ultraviolet rays? (1) Soda glass (2) Pyrex glass (3) Jena glass (4) Crookes glass

Last Answer : (4) Crookes glass Explanation: In this glass mainly cerium oxide (CiO2) is present which sharply absorbs the ultraviolet rays from the sunlight so utilized in making lenses of eye glasses.

Which variety of glass is heat resistant? (1) Hard glass (2) Flint glass (3) Pyrex glass (4) Bottle glas

Description : Which variety of glass is heat resistant? (1) Hard glass (2) Flint glass (3) Pyrex glass (4) Bottle glas

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Lens is made up of – (1) Pyrex glass (2) Flint glass (3) Ordinary glass (4) Cobalt glass

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Last Answer : (2) Flint glass Explanation: Flint glass is optical glass that has relatively high refractive index and low Abbe number (high dispersion). A concave lens of flint glass is commonly ... doublet lens because of their compensating optical properties, which reduces chromatic aberration (colour defects).

Which one of the following is used for sun glasses? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Description : Which one of the following is used for sun glasses? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

Last Answer : (3) Crooks glass Explanation: A type of glass that contains cerium and other rare earths and has a high absorption of ultraviolet radiation is used in sunglasses. Sunglasses or sun glasses ... as variously termed spectacles or glasses exist, featuring lenses that are coloured, polarized or darkened.

Which of the following is responsible for extra strength of Pyrex glass?

Description : Which of the following is responsible for extra strength of Pyrex glass?

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The glass known as Pyrex?

Description : The glass known as Pyrex?

Last Answer : Borosilicate glass

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Last Answer : (B) Alkaline solutions

Which variety of glass is heat resistant? A. Bottle glass B. Flint glass C. Hard glass D. Pyrex glass (Answer)

Description : Which variety of glass is heat resistant? A. Bottle glass B. Flint glass C. Hard glass D. Pyrex glass (Answer)

Last Answer : D. Pyrex glass (Answer)

Electric bulbs are made of __________ glass. (A) Jena (B) Flint (C) Crookes (D) Pyrex

Description : Electric bulbs are made of __________ glass. (A) Jena (B) Flint (C) Crookes (D) Pyrex

Last Answer : (B) Flint

Sudden temperature fluctuation does not affect pyrex glass, because of its (A) Low co-efficient of expansion (B) High co-efficient of expansion (C) High melting point (D) Both (B) and (C)

Description : Sudden temperature fluctuation does not affect pyrex glass, because of its (A) Low co-efficient of expansion (B) High co-efficient of expansion (C) High melting point (D) Both (B) and (C)

Last Answer : (A) Low co-efficient of expansion

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The type of high refractive index glass used in optical instruments is __________ glass. (A) Pyrex (B) Flint (C) Crookes (D) None of these

Description : The type of high refractive index glass used in optical instruments is __________ glass. (A) Pyrex (B) Flint (C) Crookes (D) None of these

Last Answer : (B) Flint

Basic oxide is absent in __________ glass. (A) Flint (B) Pyrex (C) Quartz (D) All (A), (B) & (C)

Description : Basic oxide is absent in __________ glass. (A) Flint (B) Pyrex (C) Quartz (D) All (A), (B) & (C)

Last Answer : (C) Quartz

Commonly used glass is known as the __________ glass. (A) Flint (B) Hard (C) Pyrex (D) Soda

Description : Commonly used glass is known as the __________ glass. (A) Flint (B) Hard (C) Pyrex (D) Soda

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The main component of Pyrex glass is (A) Zinc (B) Lead (C) Boron (D) Selenium

Description : The main component of Pyrex glass is (A) Zinc (B) Lead (C) Boron (D) Selenium

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__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. (A) Pyrex (B) Soda lime (C) Lead (D) High silica

Description : __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant. (A) Pyrex (B) Soda lime (C) Lead (D) High silica

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__________ glass is used for the manufacture of optical glass. (A) Pyrex (B) Soda (C) Flint (D) Crooke's

Description : __________ glass is used for the manufacture of optical glass. (A) Pyrex (B) Soda (C) Flint (D) Crooke's

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Which of the following is responsible for the extra strength of pyrex glass ? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Description : Which of the following is responsible for the extra strength of pyrex glass ? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Last Answer : Borax

Which type of glass is used for making glass reinforced plastic? (1) Pyrex glass (2) Flint glass (3) Quartz glass (4) Fibre glass

Description : Which type of glass is used for making glass reinforced plastic? (1) Pyrex glass (2) Flint glass (3) Quartz glass (4) Fibre glass

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Heat resistant variety of glass is— (1) Pyrex glass (2) Hard glass (3) Flint glass (4) None of these

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Lens is made up of (1) Pyrex glass(2) Flint glass (3) Ordinary glass (4) Cobalt glass

Description : Lens is made up of (1) Pyrex glass(2) Flint glass (3) Ordinary glass (4) Cobalt glass

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Which one of the following is used for sun glasses ? (1) Pyrex glass (2) Flint glass (3) Crooks glass (4) Crystal glass

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Last Answer : Crooks glass

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Would you buy Pyrex replacement lids spur of the moment?

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Can I bake chicken in a pyrex without tinfoil?

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A pyrex tumbler does not crack when hot water is poured into it because pyrex (a) is a strong material (b) does not expand much on heating (c) is a good conductor of heat (d) expands equally from inside and outside

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