Metal salts, which respond to Borax bead test ?

Metal salts, which respond to Borax bead test ?
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Metal salts, which respond to Borax bead test ? A. Nickel salts B. Copper salts C. Cobalt salts D. Aluminium salts
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In Borax bead test, metal oxides react with `B_(2)O_(3)` and form a coloured bead. This bead contains

Description : In Borax bead test, metal oxides react with `B_(2)O_(3)` and form a coloured bead. This bead contains

Last Answer : In Borax bead test, metal oxides react with `B_(2)O_(3)` and form a coloured bead. This bead ... B. metaborate ion C. double oxide D. tetraborate ion

The compound formed in the borax bead test of `Cu^(2+)` ion in oxidising flame is :

Description : The compound formed in the borax bead test of `Cu^(2+)` ion in oxidising flame is :

Last Answer : The compound formed in the borax bead test of `Cu^(2+)` ion in oxidising flame is : A. Cu B. `CuBO_(2)` C. `Cu(BO_(2))_(2)` D. None of these

In the Borax bead test of `Co^(2+)`, the blue colour of bead is due to the formation of :

Description : In the Borax bead test of `Co^(2+)`, the blue colour of bead is due to the formation of :

Last Answer : In the Borax bead test of `Co^(2+)`, the blue colour of bead is due to the formation of : A. `B_(2)O_(3)` B. ... B_(2)` C. `Co(BO_(2))_(2)` D. `Co O`

Which does not give borax bead test?

Description : Which does not give borax bead test?

Last Answer : Which does not give borax bead test? A. `Cr^(3+)` B. `Cu^(2+)` C. `Mn^(2+)` D. `Zn^(2+)`

The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : (2) Spectroscopy Explanation: Atomic absorption spectroscopy is an analytical chemistry technique used for determining concentration of particular metal element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.

What are the constituents of bead formed in borax bead test?

Description : What are the constituents of bead formed in borax bead test?

Last Answer : Ans: Sodium metaborate and boric anhydride

The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Description : The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : Spectroscopy

Borax bead is responded generally by :

Description : Borax bead is responded generally by :

Last Answer : Borax bead is responded generally by : A. Alkali metal salt B. Alkaline earth metals C. p-block metal salt D. d-block metal salt

With `Cr_(2)O_(3)`, colour of the bead in sodium carbonate bead test is :

Description : With `Cr_(2)O_(3)`, colour of the bead in sodium carbonate bead test is :

Last Answer : With `Cr_(2)O_(3)`, colour of the bead in sodium carbonate bead test is : A. red B. blue C. yellow D. green

Which metal gives violet colour in oxidising flame when heated with borax ?

Description : Which metal gives violet colour in oxidising flame when heated with borax ?

Last Answer : Which metal gives violet colour in oxidising flame when heated with borax ? A. Fe B. Pb C. Co D. Mn

What are the red bead like shells growing on the branches of my dwarf cherry tree.

Description : What are the red bead like shells growing on the branches of my dwarf cherry tree.

Last Answer : Need Answer

Where in Cleveland Ohio can I get a bead bracelet repaired?

Description : Where in Cleveland Ohio can I get a bead bracelet repaired?

Last Answer : Need Answer

Stages of Bead Making:  To know the sources of siliceous stones and chank shells 

Description : Stages of Bead Making:  To know the sources of siliceous stones and chank shells 

Last Answer : Write correct chronological order: Stages of Bead Making: (a) To know the sources of siliceous ... site (d) To obtain the raw material

The value of each bead in earth is A) 1 B) 3 C) 5 D) 7

Description : The value of each bead in earth is A) 1 B) 3 C) 5 D) 7

Last Answer : Answer : A

The value of each bead in heaven is A) 1 B) 3 C) 5 D) 7

Description : The value of each bead in heaven is A) 1 B) 3 C) 5 D) 7

Last Answer : Answer : C

A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index is 4.5, the volume fraction of solids in the suspension is (A) 0.1 (B) 0.4 (C) 0.6 (D) None of these

Description : A suspension of glass beads in ethylene glycol has a hindered settling velocity of 1.7 mm/s, while the terminal settling velocity of a single glass bead in ethylene glycol is 17 mm/s. If the Richardson-Zaki hindered settling index ... in the suspension is (A) 0.1 (B) 0.4 (C) 0.6 (D) None of these

Last Answer : (C) 0.6

P.V.C. pipes can withstand pressure bead of water upto (A) 25 m (B) 50 m (C) 75 m (D) 100 m

Description : P.V.C. pipes can withstand pressure bead of water upto  (A) 25 m  (B) 50 m  (C) 75 m  (D) 100 m 

Last Answer : (D) 100 m 

Select the correct statement. (A) Activity arrows in a CPM network are drawn to scale (B) The tail of an arrow represents the finish of an activity (C) Arrow bead represents the start of an activity (D) None of the above

Description : Select the correct statement. (A) Activity arrows in a CPM network are drawn to scale (B) The tail of an arrow represents the finish of an activity (C) Arrow bead represents the start of an activity (D) None of the above

Last Answer : (D) None of the above

How To Make Bead Tree Ornaments

Description : How To Make Bead Tree Ornaments

Last Answer : These pipe cleaner ornaments can be shaped into cust holiday ornaments. Materials: - colored pipe cleaners - beads (make sure the opening of the beads are large enough to fit a pipe cleaner through) ... canes, wreaths, bells etc. When you complete the ornament, tie a ribbon loop for hanging.

How to Bead a Necklace

Description : How to Bead a Necklace

Last Answer : How to Bead a Necklace Have you ever found yourself wishing for a particular design for a necklace, but you couldn't find it anywhere? Or have you ever wanted to make something for ... try your hand at making more complicated jewelry. Make many-stranded necklaces or experiment with bigger beads.

The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

Description : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is

Last Answer : The metal which cannot be obtained by electrolysis of aqueous solution of its salts is A. Ag B. Mg C. Cu D. Al

Iodised salts contains the iodine salts of which metal? A. Iodine B. Potassium (Answer) C. Sodium Chloride D. Chlorine

Description : Iodised salts contains the iodine salts of which metal? A. Iodine B. Potassium (Answer) C. Sodium Chloride D. Chlorine

Last Answer : B. Potassium (Answer)

Which of the following is not used as a medium for high temperature heating ? (A) Dowtherm (B) Mercury (C) Liquid metal (e.g. molten sodium) (D) Fused salts (e.g., an eutectic mixture of 53% KNO3 , 40% NaNO2and 7% NaNO3 )

Description : Which of the following is not used as a medium for high temperature heating ? (A) Dowtherm (B) Mercury (C) Liquid metal (e.g. molten sodium) (D) Fused salts (e.g., an eutectic mixture of 53% KNO3 , 40% NaNO2and 7% NaNO3 )

Last Answer : (B) Mercury

During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Description : During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Last Answer : (b) Bases, Salt

Precipitation or coagulation of proteins may be caused by (a) Heat (b) Changes in pH (c) Heavy metal salts (d) All of these

Description : Precipitation or coagulation of proteins may be caused by (a) Heat (b) Changes in pH (c) Heavy metal salts (d) All of these

Last Answer : All of these

Will borax dissolve in oils?

Description : Will borax dissolve in oils?

Last Answer : No, I don’t think so, since it is a sodium (salt) compound.

Is it safe to mix borax with peroxide bleach?

Description : Is it safe to mix borax with peroxide bleach?

Last Answer : answer:Don’t do it. The borax should be enough, and if you add a cup or two of white vinegar to the rinse cycle, that should take out any residues left over. I used to wash cloth diapers in borax and baking soda, so I can vouch for its power.

Does the borax and sugar combination really work for killing roaches?

Description : Does the borax and sugar combination really work for killing roaches?

Last Answer : Yes, the borax really works. There is a product called Max Attrax that contains boric acid, and it works great. No need to use sugar.

Borax and soap for face cleansing?

Description : Borax and soap for face cleansing?

Last Answer : A quick google suggests that she’s not the only one to say this. Personally I think it might be a bit harsh but then I have pretty sensitive skin. Bit woried about one of your topics. Can’t really see the relevance

is it harmful to have cats exposed to borax

Description : is it harmful to have cats exposed to borax

Last Answer : Need Answer

Which of the following option is correct regarding the structure of borax?

Description : Which of the following option is correct regarding the structure of borax?

Last Answer : Which of the following option is correct regarding the structure of borax? A. No. of hydrated water malecule ... bead of `NaBO_(2)&B_(2)O_(3)`

An aqueous solution of borax is

Description : An aqueous solution of borax is

Last Answer : An aqueous solution of borax is A. Turns blue litmus to red B. Is a powerful oxidising agent C ... Is a popular bleach used in paper and pulp industry

How does borax make slime?

Description : How does borax make slime?

Last Answer : Need answer

Is Borax soap safe for your skin?

Description : Is Borax soap safe for your skin?

Last Answer : What is the answer ?

Can borax soap kill bugs under your skin?

Description : Can borax soap kill bugs under your skin?

Last Answer : What is the answer ?

How do you make slime without glue borax or cornstrach?

Description : How do you make slime without glue borax or cornstrach?

Last Answer : What is the answer ?

Give the formula of Borax. Borax is chemically called as. Borax Na2B4O7 10H2O is chemically called as hydrated sodium tetra borate

Description : Give the formula of Borax. Borax is chemically called as. Borax Na2B4O7 10H2O is chemically called as hydrated sodium tetra borate

Last Answer : Garnet is the ore of which element. Give its chemical formula. Garnet is Silicate ore of Aluminium (MgFe) 3 AlSi3O2.

Give the chemical formula for Borax. (Na2) B4 (O7) .10(H2) O

Description : Give the chemical formula for Borax. (Na2) B4 (O7) .10(H2) O

Last Answer : Give the formula for Peral Ash. The formula for Peral Ash is K2CO3.

The chemical used as a fixer in photography is - (1) sodium thiosulphate (2) sodium sulphate (3) borax (4) ammonium sulphate

Description : The chemical used as a fixer in photography is - (1) sodium thiosulphate (2) sodium sulphate (3) borax (4) ammonium sulphate

Last Answer : (1) sodium thiosulphate Explanation: Fixation is commonly achieved by treating the film or paper with a solution of thiosulfate salt. Popular salts are sodium thiosulfate — commonly called hypo — and ammonium thiosulfate — commonly used in modern rapid fixer formulae.

Which one of the following is extensively used for sterilizing water? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Description : Which one of the following is extensively used for sterilizing water? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder

Last Answer : (1) Bleaching powder Explanation: Bleaching powder is extensively used in sterilizing water. Calcium hypochlorite is a chemical compound with formula Ca(OCl)2. It is widely used for water treatment and as a ... has two forms: a dry form and a hydrated form. The hydrated form is safer to handle.

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 : (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 of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride

Description : Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride

Last Answer : (4) Sodium chloride Explanation: Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction. Antiseptics are generally ... the body, and from disinfectants, which destroy microorganisms found on non-living objects.

The function of borax / aluminium powder is to remove the

Description : The function of borax / aluminium powder is to remove the

Last Answer : air bubbles in glass.

What is the role of borax or aluminium powder in the manufacture of glass?

Description : What is the role of borax or aluminium powder in the manufacture of glass?

Last Answer : The function of borax / aluminium powder is to remove the air bubbles in glass.

The chemical used as a fixer in photography is-----? A. sodium sulphate B. borax C. sodium thiosulphate (Answer) D. ammonium sulphate

Description : The chemical used as a fixer in photography is-----? A. sodium sulphate B. borax C. sodium thiosulphate (Answer) D. ammonium sulphate

Last Answer : C. sodium thiosulphate (Answer)

Boron content in borax (suhaga) is (a) 11% (b) 25%(c) 19% (d) 39%

Description : Boron content in borax (suhaga) is (a) 11% (b) 25%(c) 19% (d) 39%

Last Answer : (a) 11%

Khaira disease of rice can be controlled by spraying – 1) Copper sulphate 2) Calcium sulphate 3) Zinc sulphate 4) Borax

Description : Khaira disease of rice can be controlled by spraying – 1) Copper sulphate 2) Calcium sulphate 3) Zinc sulphate 4) Borax

Last Answer : 3) Zinc sulphate

Which of the following is used as a binding material in soap to improve soap texture? (A) Rosin (B) Borax (C) Benzyl acetate (D) Sodium carbonate

Description : Which of the following is used as a binding material in soap to improve soap texture? (A) Rosin (B) Borax (C) Benzyl acetate (D) Sodium carbonate

Last Answer : (B) Borax

The role of borax in cold creams is (A) anti-microbial agent (B) to provide fine particles to polish skin (C) in-situ emulsifier (D) antioxidant

Description : The role of borax in cold creams is (A) anti-microbial agent (B) to provide fine particles to polish skin (C) in-situ emulsifier (D) antioxidant

Last Answer : (A) anti-microbial agent