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 : 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 : Which one of the following is used in the preparation of antiseptic solution? (1) Potassium nitrate (2) Iodine (3) Iodine chloride (4) Potassium chloride
Last 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.
Description : What is Potassium Nitrate ( KNO3) known in Bangladesh ?
Last Answer : Salt Peter or Nitrate of Potash.
Description : What are the chemical signals of Potassium Nitrate ?
Last Answer : : Chemical signal of potassium nitrate KNO3
Description : What is the precipitate formed between barium nitrate and potassium phosphate?
Last Answer : The precipitate is barium phosphate - Ba3(PO4)2, very low soluble in water.
Description : What is the balanced reaction of copper 2 nitrate and potassium hydroxide?
Last Answer : The chemical equation is:Cu(NO3)2 + 2 KOH = 2 KNO3 + Cu(OH)2(s)
Description : What Is The Balanced Equation Between Potassium Iodide And Lead II Nitrate?
Last Answer : The chemical equation is:KI + Pb(NO3)2 = PbI2(s) + 2 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 : What is reaction of calcium nitrate and potassium carbonate?
Last Answer : The chemical reaction is:Ca(NO3)2 + K2CO3 = CaCO3(s) + 2 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 : Gunpowder consists of a mixture of (a) potassium nitrate and TNT (b) Sulphur, sand and charcoal (c) nitre, Sulphur and charcoal (d) TNT and charcoal
Last Answer : Ans:(c)
Description : A dark purple compound used as an antiseptic and disinfectant is (a) Potassium nitrate (b) Sodium thiosulphate (c) Potassium permanganate (d) Calcium phosphate
Description : A 'breath test' used by traffic police to check drunken driving uses: (1) potassium dichromate-sulphuric acid (2) potassium permanganate-sulphuric acid (3) turmeric on filter paper (4) silica gel coated with silver nitrate
Last Answer : (1) potassium dichromatesulphuric acid Explanation: The main constituent of alcohol is Ethanol and the concentration of ethanol in a sample can be determined by back titration with acidified potassium ... contact with the yellow dichromate-coated crystals, the color changes from yellow to green.
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 : 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 : What is a mixture of potassium nitrate, powdered charcoal and sulphur called?
Last Answer : Gun powder
Description : What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called? A. Paint B. Glass C. Gun Powder (Answer) D. Cement
Last Answer : C. Gun Powder (Answer)
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 : Which type of N-fertilizer is suitable for water-logged soil? a) Zinc Phosphet b) Ammonium Sulphate c) Calcium d) Potassium Nitrate
Last Answer : b) Ammonium Sulphate
Description : Which is the best fertiliser for paddy? (A) Ammonium sulphate (B) Nitro-phosphate (C) Superphosphate (D) Potassium nitrate
Last Answer : (A) Ammonium sulphate
Description : __________ is the most suitable fertiliser for paddy. (A) Urea (B) Ammonium sulphate (C) Superphosphate (D) Potassium nitrate
Last Answer : (B) Ammonium sulphate
Description : Gun powder uses (A) Sulphur (B) Charcoal (C) Potassium nitrate (D) All (A), (B), & (C)
Last Answer : (D) All (A), (B), & (C)
Description : __________ is not a constituent of gun powder. (A) Carbon (B) Charcoal (C) Sulphur (D) Potassium nitrate
Last Answer : (A) Carbon
Description : X-ray films have an emulsion on one or both sides of a support material. The emulsion contains particles of, A. Silver nitrate crystal B. Metallic silver in gelatine C. Silver bromide in gelatine D. Silver nitrate in gelatine E. Potassium bromide in gelatine
Last Answer : C. Silver bromide in gelatine
Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank
Last Answer : Air-bags in automobiles.
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 : A ‘breath test’ used by traffic police to check drunken driving uses: (1) potassium dichromate-sulphuric acid (2) potassium perma-nganatesulphuric acid (3) turmeric on filter paper (4) silica gel coated with silver nitrate
Last Answer : potassium dichromate-sulphuric acid
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 : 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 : The chemical name of rat poison is (1) zinc oxide (2) potassium cyanide (3) lead nitrate (4) zinc phosphide
Last Answer : zinc phosphide
Last Answer : Calcium 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 : 13.a) What is solute and solvent in aerated drinks? b) Given a solution of substance 'A' how will you test whether it is saturated or unsaturated with respect to 'A' at the given temperature. -Chemistry
Last Answer : (a) No solute and solvent is available in aerated drinks. (b) in the given solution add small amount of solute A, if A dissolved a daydream a transparent solution is formed then it is an unsaturated solution and if A doesn't dissolved and a precipitate is formed then it's a saturated solution
Description : The magnitude of heat of solution ….. On addition of solvent to solution
Last Answer : The magnitude of heat of solution ….. On addition of solvent to solution A. Decreases B. Increases C. Remains constant D. Increases or decreases
Description : What is the solvent in a salt solution like brine?
Last Answer : Water.
Description : What are the solvent and solute in a solution containing 100 g of ethanol and 3 g of sucrose?
Last Answer : Feel Free to Answer
Description : When a solution contains the most solute that will dissolve in the solvent?
Description : If you have a solution of saltwater. In this solution what is the solvent and what is the solute?
Last Answer : Water is a solvent and salt is a solute and the solution with that is ocean water (salt water).
Description : In a solution of sugar and water which is the solvent and which is the solute?
Last Answer : Water is the solvent, sugar the solute.