The function of borax / aluminium powder is to remove the

The function of borax / aluminium powder is to remove the
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1 Answer

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air bubbles in glass.
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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.

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 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 : Bleaching powder

What happens when heated aluminium powder is sprinkled into a jar of chlorine gas?

Description : What happens when heated aluminium powder is sprinkled into a jar of chlorine gas?

Last Answer : As heated aluminium powder comes in contact with chlorine, bright flashes are seen forming aluminium chloride.

Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

(1) aluminium powder and ammonium nitrate Explanation: Ammonal is an explosive made up of ammonium nitrate and aluminium powder. The ammonium nitrate functions as an oxidizer and the aluminium as fuel. The use of the relatively cheap ammonium nitrate and aluminium makes it a replacement for pure TNT. The mixture is affected by humidity because ammonium nitrate is highly hygroscopic. Ammonal is not easily detonated, requiring a fairly substantial shock, though it is still more sensitive than trinitrotoluene and composition C4.

Description : (1) aluminium powder and ammonium nitrate Explanation: Ammonal is an explosive made up of ammonium nitrate and aluminium powder. The ammonium nitrate functions as an oxidizer and the aluminium ... a fairly substantial shock, though it is still more sensitive than trinitrotoluene and composition C4.

Last Answer : Gelatin is mostly used in making icecreams in order to - (1) prevent making a colloid (2) stabilise the colloid and prevent crystallisation (3) stabilise mixture (4) enrich the aroma

In silvery paints, the main constituent present is - (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Description : In silvery paints, the main constituent present is - (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Last Answer : (1) Aluminium powder Explanation: In silvery paints, the main constituent is aluminium powder.

What is a mixture of potassium nitrate powdered charcoal and sulphur called? (1) paint (2) aluminium (3) brass (4) gun powder

Description : What is a mixture of potassium nitrate powdered charcoal and sulphur called? (1) paint (2) aluminium (3) brass (4) gun powder

Last Answer : (4) gun powder Explanation: Gun powder is the mixture of potassium nitrate powdered charcoal and sulphur.

Which of the following is used in welding broken pieces of iron rails and machine parts? (1) Aluminium sulphate (2) Solder (3) Aluminium powder (4) None of the above

Description : Which of the following is used in welding broken pieces of iron rails and machine parts? (1) Aluminium sulphate (2) Solder (3) Aluminium powder (4) None of the above

Last Answer : (3) Aluminium powder Explanation: Aluminum powder is a highly flammable powder created by grinding aluminum into fine grains of material. In times past, this flammable metal powder was ... of the tools utilized in various applications of pyrotechnics, including the creation of fireworks displays.

Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Description : Spray dryer for evaporating milk to produce milk powder is made of (A) Lead lined steel (B) Stainless steel (C) Aluminium (D) Cast iron

Last Answer : (B) Stainless steel

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of (A) 90% tungsten carbide and 10% cobalt (B) 70% aluminium oxide & 30% silica (C) 30% nickel, 15% chromium & 55% tungsten (D) 65% tungsten & 35% zirconium

Description : Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of (A) 90% tungsten carbide and 10% cobalt (B) 70% aluminium oxide & 30% silica (C) 30% nickel, 15% chromium & 55% tungsten (D) 65% tungsten & 35% zirconium

Last Answer : Option A

Bad odour in sanitary latrines is reduced by periodically sprinkling (A) Bleaching powder (B) Lime powder (C) Aluminium sulphate (D) None of these

Description : Bad odour in sanitary latrines is reduced by periodically sprinkling (A) Bleaching powder (B) Lime powder (C) Aluminium sulphate (D) None of these

Last Answer : Option B

Crucible is repaired by? (i) Magnasite Powder (ii) Magnasite Powder & Sodium Silicate.* (iii) Sodium Silicate (iv) Aluminium powder

Description : Crucible is repaired by? (i) Magnasite Powder (ii) Magnasite Powder & Sodium Silicate.* (iii) Sodium Silicate (iv) Aluminium powder

Last Answer : (ii) Magnasite Powder & Sodium Silicate.*

In silvery paints, the main constituent present is (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Description : In silvery paints, the main constituent present is (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Last Answer : Aluminium powder

Which of the following is used in welding broken pieces of iron rails and machine parts? (1) Aluminium sulphate (2) Solder (3) Aluminium powder (4) None of the above

Description : Which of the following is used in welding broken pieces of iron rails and machine parts? (1) Aluminium sulphate (2) Solder (3) Aluminium powder (4) None of the above

Last Answer : Aluminium powder

Ammonial is a mixture of (1) aluminium powder and ammonium nitrate (2) aluminium powder and ammonium chloride (3) aluminium powder and ammonium sulphate (4) aluminium powder and potassium nitrate

Description : Ammonial is a mixture of (1) aluminium powder and ammonium nitrate (2) aluminium powder and ammonium chloride (3) aluminium powder and ammonium sulphate (4) aluminium powder and potassium nitrate

Last Answer : aluminium powder and ammonium nitrate

The salt which is used to remove the hardness of water is (A) NaOH (B)Baking Soda (C) Bleaching powder (D) All of these

Description : The salt which is used to remove the hardness of water is (A) NaOH (B)Baking Soda (C) Bleaching powder (D) All of these

Last Answer : (C) Bleaching powder

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)

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

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

Metal salts, which respond to Borax bead test ?

Description : Metal salts, which respond to Borax bead test ?

Last Answer : Metal salts, which respond to Borax bead test ? A. Nickel salts B. Copper salts C. Cobalt salts D. Aluminium salts

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

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+)`

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

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 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.

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 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.

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

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

The MOST effective manner to produce a hard surface on a cast is by: A. Employ as much water as possible on mixing B. Employ as little water as possible on mixing C. Adding 2% of borax to the mix D. Adding calcium tetraborate E. None of the above

Description : The MOST effective manner to produce a hard surface on a cast is by: A. Employ as much water as possible on mixing B. Employ as little water as possible on mixing C. Adding 2% of borax to the mix D. Adding calcium tetraborate E. None of the above

Last Answer : B. Employ as little water as possible on mixing

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