Cobalt compounds give which colour to glass?

Cobalt compounds give which colour to
glass?
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1 Answer

Answer :

Blue
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Related questions

Which of the following imparts a blue colour to glass? (1) Cobalt oxide (2) Copper oxide (3) Iron oxide (4) Nickel oxide

Description : Which of the following imparts a blue colour to glass? (1) Cobalt oxide (2) Copper oxide (3) Iron oxide (4) Nickel oxide

Last Answer : (1) Cobalt oxide Explanation: The addition of oxides, sulfides, salts, and other compounds of different metals to molten glass at the time of manufacture adds colour to glass. The introduction of ... colour; copper oxide: turquoise; chromium: dark green to black; cadmium sulfide: deep yellow, etc.

Adding which substance gives blue colour to glass? (1) Manganese oxide (2) Cobalt oxide (3) Chromium oxide (4) Iron oxide

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Last Answer : (2) Cobalt oxide Explanation: Cobalt is the strongest of the coloring oxides, giving a range of blues in most glasses. It is such a powerful colorant that only a few parts per million is needed to produce a light blue color such as the shade used for certain bottled waters.

Which of the following imparts deep blue colour to glass? (1) Cobalt oxide (2) Cupric oxide (3) Ferrous oxide (4) Nickel oxide

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Last Answer : (4) Nickel oxide Explanation: Glass colouring and colour marking may be obtained by addition of colouring ions, by precipitation of nanometer sized colloides (so-called striking glasses such as "ruby gold" or red "selenium ruby"), by coloured inclusions (as in milk glass and smoked glass).

Which of the following imparts deep blue colour to glass ? (1) Cobalt oxide (2) Cupric oxide (3) Ferrous oxide (4) Nickel oxide

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Maximum permissible colour for domestic water supplies, based on Cobalt scale, is (A) 5 P.P.M. (B) 10 P.P.M. (C) 15 P.P.M. (D) 20 P.P.M.

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The maximum permissible colour for domestic supplies based on cobalt scale, is (A) 5 ppm (B) 10 ppm (C) 15 ppm (D) 20 ppm

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Description : Give reason: Glass objects when held to flame acquires golden yellow colour.

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Last Answer : Ans:(c)

The colour that deviates minimum through glass prism is?

Description : The colour that deviates minimum through glass prism is?

Last Answer : Violet

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Description : Which substance is added for getting yellow colour to glass?

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Ferrous oxide gives which colour to glass?

Description : Ferrous oxide gives which colour to glass?

Last Answer : Olive green

The substance used in glass to get blue colour?

Description : The substance used in glass to get blue colour?

Last Answer : Cobalt salt

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Description : Critical angle of light passing from glass to water is minimum for which colour?

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The absence of cobalt in minute quanti- ties in human body causes?

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The absence of cobalt in minute quanti- ties in human body causes?

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The isotope of Cobalt used for the treat- ment of cancer?

Description : The isotope of Cobalt used for the treat- ment of cancer?

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Description : The scientist discovered Cobalt?

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Which Vitamin contains Cobalt?

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Last Answer : Vitamin B12 (Cyanocobalamin)

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How many protons will remain when cobalt isotope with atomic number 27 losses 3 electrons?

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What are the chemical signals of cobalt ?

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What ray is emitted from cobalt _60 ?

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What is the number of electrons in cobalt ?

Description : What is the number of electrons in cobalt ?

Last Answer : The number of electrons in cobalt is 27 .

What is the signal of lithium cobalt oxide ?

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Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is

Description : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is

Last Answer : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is

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Description : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_(4)OH) to "Complex"(Y)` The coordination number of cobalt an

Last Answer : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_ ... (Y) is diamagnetic D. (X) and (Y) both are diamagnetic.

`Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_(4)OH) to "Complex"(Y)` The coordination number of cobalt an

Description : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_(4)OH) to "Complex"(Y)` The coordination number of cobalt an

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`Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +"Dimethylglyoxime" overset(NH_(4)OH) to "Complex"(Y)` The coordination number of cobalt an

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Last Answer : `Co^(2+)(aq.)+SCN^(-) (aq.) to "Complex"(X)` `Ni^(2+)(aq.) +" ... . tetrathiocyanoato-S-cobaltate(III) and bis(dimethylglyoximato) nickel (II).

The spin magnetic moment of cobalt in the compound , `Hg[Co(SCN)_(4)]` is :

Description : The spin magnetic moment of cobalt in the compound , `Hg[Co(SCN)_(4)]` is :

Last Answer : The spin magnetic moment of cobalt in the compound , `Hg[Co(SCN)_(4)]` is : A. `sqrt(3)` B. `sqrt(8)` C. `sqrt(12)` D. `sqrt(24)`

The formula of complex tris ( ethylenediamine ) cobalt (III) sulphate is

Description : The formula of complex tris ( ethylenediamine ) cobalt (III) sulphate is

Last Answer : The formula of complex tris ( ethylenediamine ) cobalt (III) sulphate is A. `[Co(en)_(2)SO_(4)]` B. `[Co(en)_(3) ... D. `[Co(en)_(3)]_(2)(SO_(4))_(3)`

In the complex `[CoCl_(2)(en)_(2)]Br`, the co-ordination number and oxidation state of cobalt are :

Description : In the complex `[CoCl_(2)(en)_(2)]Br`, the co-ordination number and oxidation state of cobalt are :

Last Answer : In the complex `[CoCl_(2)(en)_(2)]Br`, the co-ordination number and oxidation state of cobalt are : A. 6 and +3 B. 3 and +3 C. 4 and +2 D. 6 and +1

A compound is made by mixing cobalt (III) nitrite and potassium nitrite solutions in the ratio of 1:3. The aqueous solution of the compound showed 4 p

Description : A compound is made by mixing cobalt (III) nitrite and potassium nitrite solutions in the ratio of 1:3. The aqueous solution of the compound showed 4 p

Last Answer : A compound is made by mixing cobalt (III) nitrite and potassium nitrite solutions in the ratio of 1:3. The aqueous ... )]` D. `K[Co(NO_(2))_(4)]`

A salt gives white residue in charcoal cavity test but in cobalt nitrate test it gives pink mass. It represents :

Description : A salt gives white residue in charcoal cavity test but in cobalt nitrate test it gives pink mass. It represents :

Last Answer : A salt gives white residue in charcoal cavity test but in cobalt nitrate test it gives pink mass. It represents : A. ` ... `Mg^(+2)` D. `PO_(4)^(-3)`

When cobalt trifluoride is treated with sulphur, the compound formed is

Description : When cobalt trifluoride is treated with sulphur, the compound formed is

Last Answer : When cobalt trifluoride is treated with sulphur, the compound formed is A. `SF_(6)` B. `SF_(4)` C. `S_(2)F_(2)` D. `SF_(2)`