Which one of the following is used in the preparation of antiseptic solution? (1) Potassium nitrate (2) Iodine (3) Iodine chloride (4) Potassium chloride

1 Answer

Answer :

(2) Iodine Explanation: Antiseptics are chemical agents that slow or stop the growth of micro-organisms (germs) on external surfaces of the body and help prevent infections.

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Description : A dark purple compound used as an antiseptic and disinfectant is (a) Potassium nitrate (b) Sodium thiosulphate (c) Potassium permanganate (d) Calcium phosphate

Last Answer : Ans:(c)

Description : The uses of sodium/potassium iodide include the following except: A. Preoperative preparation of Grave’s disease patient B. Prophylaxis of endemic goiter C. As antiseptic D. As expectorant

Last Answer : C. As antiseptic

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by - (1) Filtration (2) Sublimation (3) Distillation (4) Sedimentation

Last Answer : (2) Sublimation Explanation: Iodine can be separated from a mixture of Iodine and Potassium Chloride by Sublimation. Sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by – (1) sedimentation (2) filtration (3) sublimation (4) distillation

Last Answer : (3) sublimation Explanation: Iodine is well known to sublime (change from solid to gas without becoming liquid in between) when heated. However sodium chloride has a melting point much higher ... by using a sublimation apparatus, with solid iodine collected by condensation on a cold surface.

Description : Which of the following substances would be expecte to have the highest melting point? w) Potassium Bromide x) Iodine y) Methane z) Hydrogen Chloride

Last Answer : ANSWER: W -- POTASSIUM BROMIDE

Description : Iodine can be separated from a mixture of Iodine and Potassium Chloride by (1) sedimentation (2) filtration (3) sublimation (4) distillation

Last Answer : sublimation

Description : Which of the following chemicals is used in photography? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Last Answer : (2) Silver bromide Explanation: Silver bromide (AOBr), a soil , pale-yellow, water insoluble salt well known (along with other silver hali(les) for its unusual sensitivity to light:. This ... making the Shroud of Turin. The salt can be found naturally as the mineral bromargyrite (bromyrite).

Description : In the electroplating of gold, the electrolyte used is – (1) Gold chloride (2) Gold nitrate (3) Gold sulphate (4) Potassium aurocyanide

Last Answer : (3) Gold sulphate Explanation: Gold plating is a method of depositing a thin layer of gold onto the surface of another metal, most often copper or silver (to make silver-gilt), ... sulfite based electrolyte. This product is environment and user friendly and moreover the electroplating rate is good.

Description : Which of the following compounds will be a nonelectrolyte when dissolved in water? w) sodium chloride x) potassium nitrate y) ethanol z) hydrogen chloride

Last Answer : ANSWER: Y -- ETHANOL 

Description : In the electroplating of gold, the electrolyte used is (1) Gold chloride (2) Gold nitrate (3) Gold sulphate (4) Potassium aurocyanide

Last Answer : Gold sulphate

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

Description : Which of the following chemicals is used in photography ? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Last Answer : Silver bromide

Description : The antiseptic compound present in dettol is – (1) Iodine (2) Enloroxylenol (3) Biothional (4) Cresol

Last Answer : (2) Enloroxylenol Explanation: The active ingredient in Dettol that confers its antiseptic property is chloroxylenol (C8H9ClO), an aromatic chemical compound. Chloroxylenol comprises 4.8% of Dettol's total mixture, with the rest composed of pine oil, isopropanol, castor oil soap, caramel and water.

Description : Compounds of iodine are NOT used for which of the following? w) as a refrigerant x) in photographic film y) as an essential part of diet z) as an antiseptic

Last Answer : ANSWER: W -- AS A REFRIGERANT

Description : The antiseptic compound present in dettol is (1) Iodine (2) Enloroxylenol (3) Biothional (4) Cresol

Last Answer : Enloroxylenol

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.

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 : Sodium chloride

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)

Description : What is the double replacement for potassium chloride plus silver nitrate?

Last Answer : The chemical reaction is:KCl + AgNO3 = AgCl(s) + KNO3

Description : What is the double replacement for potassium chloride plus silver nitrate?

Last Answer : The chemical reaction is:KCl + AgNO3 = AgCl(s) + KNO3

Description : A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Last Answer : Ans: C

Description : Which of the following enhances or induces fusion of protoplasts? (a) IAA and kinetin (b) IAA and gibberellins (c) Sodium chloride and potassium chloride (d) Polyethylene glycol and sodium nitrate

Last Answer : (d) Polyethylene glycol and sodium nitrate

Description : What is observed when a solution of potassium iodide solution is added to a solution of lead nitrate? Name the type of reaction. Write a balanced chemical equation to represent the above chemical reaction. -Chemistry

Last Answer : Answer.Yellow precipitate of lead iodide is formed. It is precipitation reaction. Pb( NO3)2 (aq) + 2KI (aq) —-> Pbl2 (s) + 2KNO3 (aq) It is also called double displacement reaction.

Description : silver nitrate is added to a solution of sodium chloride?

Last Answer : A solution of silver nitrate is added to a solution of sodium chloride, it produces a white insoluble precipitate of silver chloride.  AgNO3 (aq)+NaCl(aq)→AgCl(ppt)+NaNO3 (aq)

Description : What is the equation for aqueous potassium iodide reacts with lead nitrate in solution forming solid lead iodide?

Last Answer : The chemical equation is:2 KI + Pb(NO3)2 = 2 KNO3 + PbI2(s)

Description : What is the physical appearance of the potassium nitrate solution?

Last Answer : Potassium nitrate solution is colorless.

Description : In a potassium nitrate solution, what is the solvent?

Last Answer : Water

Description : What happens when sodium chloride solution is mixed with lead nitrate solution?

Last Answer : The chemical reaction is:2 NaCl + Pb(NO3)2 = PbCl2(s) + 2 NaNO3

Description : How do we separate potassium chloride from potassium chloride solution?

Last Answer : Evaporate the water from the solution.

Description : What is the method by we can separate potassium chloride from potassium chloride solution?

Last Answer : Evaporate the water from the solution.

Description : Solution used in Doctor's treatment for the removal of mercaptans is (A) Sodium hydroxide (B) Sodium plumbite (C) Cupric chloride (D) Potassium isobutyrate

Last Answer : (B) Sodium plumbite

Description : In flue gas analysis by Orsat's apparatus, oxygen is absorbed by (A) Potassium hydroxide (B) Cuprous chloride (C) Alkaline pyrogallol solution

Last Answer : (C) Alkaline pyrogallol solution

Description : In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution

Last Answer : (A) Potassium hydroxide

Description : In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by (A) Cuprous chloride (B) Potassium hydroxide (C) Alkaline pyrogallol solution (D) None of these

Last Answer : (A) Cuprous chloride

Description : Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate (A) Is prone to thermal decomposition (B) Has high water solubility and is unstable (C) Is soluble in ammonium chloride and potassium chloride solution (D) All (A), (B) and (C)

Last Answer : (C) Is soluble in ammonium chloride and potassium chloride solution

Description : Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Last Answer : (1) Sodium Explanation: Sodium is a very reactive metal. It reacts vigorously with oxygen and water. A lot of heat is generated in this process. Therefore, it is stored in kerosene to avoid contacts between either atmospheric oxygen or water.

Description : Which of the following is essential for the synthesis of thyroxin? (1) Potassium (2) Sodium (3) Calcium (4) Iodine

Last Answer : (4) Iodine Explanation: Iodine is essential for the synthesis of Thyroxine, one of the two major hormones secreted by the thyroid gland. Thyroxine is formed by the molecular addition of iodine to the amino acid tyrosine while the latter is bound to the protein thyroglobulin.

Description : Which of the following is used to iodise common salt? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Last Answer : (3) Potassium iodate Explanation: Iodized salt (also spelled iodised salt) is table salt mixed with a minute amount of various salts of the element iodine. Table salt with iodide salt slowly loses its ... salt can be iodised by spraying it with a potassium iodate solution. 60 ml of potassium iodate.

Description : Which of the following is very reactive and kept in kerosene? (1) Sodium (2) Potassium (3) Iodine (4) Bromine

Last Answer : Sodium

Description : Which of the following is used to iodise common salf ? (1) Potassium iodide (2) Iodine (3) Potassium iodate (4) Sodium iodide

Last Answer : Potassium iodate

Description : The chemical used for cloud seeding for artificial rains is - (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : (3) Silver Iodide Explanation: The chemical used for cloud seeding for artificial rains is silver iodide.

Description : Chile saltpeter is the common name of: (1) Sodium nitrate (2) Potassium nitrite (3) Potassium nitrate (4) Sodium nitrite

Last Answer : (1) Sodium nitrate Explanation: Sodium Nitrate (NaNO3) is also known as Chile saltpeter or Peru saltpeter (due to the large deposits found in the Atacama desert in these countries) to ... , pyrotechnics and smoke bombs, glass and pottery enamels, food preservatives, and solid rocket propellant.

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.

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

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

Description : The chemical name of rat poison is - (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Last Answer : (4) zinc phosphide Explanation: Zinc phosphide is used as a rodenticide. A mixture of food and zinc phosphide is left where the rodents can eat it. The acid in the digestive system of the rodent reacts with the phosphide to generate the toxic phosphine gas.

Description : Which one of the following is not a fertilizer? (1) Ammonium sulphate (2) Calcium sulphate (3) Calcium ammonium nitrate (4) Potassium nitrate

Last Answer : (2) Calcium sulphate Explanation: Calcium sulfate is a common laboratory and industrial chemical. In the form of -anhydrite (the nearly anhydrous form), it is used as a desiccant. ... calcium sulfate are naturally occurring gypsum and anhydrite which occur at many locations worldwide as evaporites.

Description : Chile saltpeter is the common name of: (1) Sodium nitrate (2) Potassium nitrite (3) Potassium nitrate (4) Sodium nitrite

Last Answer : Sodium nitrate

Description : The chemical used for cloud seeding for artificial rains is (1) Silver Nitrate (2) Potassium Bromide (3) Silver Iodide (4) Potassium Nitrate

Last Answer : Silver Iodide

Description : The chemical name of rat poison is (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide

Last Answer : zinc phosphide

Description : Which one of the following is not a fertilizer? (1) Ammonium sulphate (2) Calcium sulphate (3) Calcium ammonium nitrate (4) Potassium nitrate

Last Answer : Calcium sulphate