Description : What is the color of potassium permanganate solution ?
Last Answer : The solution of potassium permanganate is pink in color.
Description : What are the chemical signals of potassium ferrocyanide ?
Last Answer : : Chemical Signal of Potassium Ferrocyanide K4 [Fe (CN6)]
Description : What are the chemical signals of Potassium Nitrate ?
Last Answer : : Chemical signal of potassium nitrate KNO3
Description : What are the chemical signals of Potassium Sulphate ?
Last Answer : : Chemical signal of potassium sulphate K2SO4
Description : What are the chemical signals of Potassium Chloride ?
Last Answer : Chemical signal of potassium chloride KCl
Description : What are the chemical signals of Potassium Hydroxide ?
Last Answer : : The chemical signal of potassium hydroxide is KOH
Description : What is the sign of potassium permanganate ?
Last Answer : Its signal KMnO4 |
Last Answer : : The chemical signal of potassium permanganate is KMnO4
Description : Thiamin is oxidized to thiochrome in alkaline solution by (A) Potassium permanganate (B) Potassium ferricyanide (C) Potassium chlorate (D) Potassium dichromate
Last Answer : Answer : B
Description : Municipal water in India is generally treated with (a) Chlorine (b) Potassium permanganate (c) Sodium Chloride (d) Sodium Carbonate
Last Answer : Ans:(a)
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 : 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 : Which one of the following substances is used for preservation of food grains? (1) Sodium benzoate (2) Vinegar (3) Sodium chloride (4) Potassium permanganate
Last Answer : (1) Sodium benzoate Explanation: Sodium benzoate is used for the preservation of food. It has the chemical formula NaC6H5CO2. It is the sodium salt of benzoic acid and exists in ... by reacting sodium hydroxide with benzoic acid. It is bacteriostatic and ftmgistatic under acidic conditions.
Description : Potassium Permanganate is used for purifying drinking water, because ________. (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water
Last Answer : (2) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry water treatment method that oxidizes dissolved iron, mancianese, and hydrogen sulfide into solid particles that are filtered ... to control iron bacteria growth in wells. It is an oxidant, but a poor disinfectant.
Description : Potassium Permanganate is used for purifying drinking water, because - (1) it dissolves the impurities of water (2) It is a sterilizing agent (3) It is an oxidising agent (4) It is a reducing agent
Last Answer : (3) It is an oxidising agent Explanation: Potassium permanganate is a point-of-entry treatment method that oxidizes dissolved iron, manganese, and hydrogen sulfide into solid particles that are filtered out of the water.
Description : The presence of free ammonia in sewage, is detected by A. Boiling B. Adding potassium permanganate C. Adding sulphuric acid D. Phenol-di-sulphuric acid
Last Answer : ANS: A
Description : For detecting the nitrites in the sewage, the matching colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid potassium hydroxide D. None of these
Last Answer : ANS: B
Description : For detecting the nitrates in sewage, the colour may be developed by adding A. Potassium permanganate B. Sulphuric acid and napthamine C. Phenol-di -sulphuric acid and potassium hydroxide D. None of these
Last Answer : ANS: C
Description : Strips of newspaper, filter paper and glazed paper are dipped in dilute potassium permanganate solution. Which paper will have absorbed more potassium permanganate?
Last Answer : The level of potassium permanganates in filter paper will be maximum as is more porous.
Description : 1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4
Last Answer : chlorine in CCl4
Description : A common disinfectant used in village wells for disinfection of water is (A) Free chlorine (B) Bromine (C) Iodine (D) Potassium permanganate
Last Answer : Option D
Description : The residual product discharged by the hydrogen-oxygen cell is ____________ a) Hydrogen peroxide b) Alcohol c) Water d) Potassium permanganate
Last Answer : c) Water
Description : With respect to calibration of uv-vis spectrophotometer, which of the following material is used to evaluate the ‘control of absorbance’ A. Sodium thiosulphate B. Potassium dichromate C. Holmium oxide D. Potassium permanganate
Last Answer : B. Potassium dichromate
Description : What is the oxidation number of Manganese in Potassium Permanganate?
Last Answer : ANSWER: PLUS SEVEN
Last Answer : Sodium benzoate
Description : Potassium Permanganate is used for purifying drinking water, because_________ (1) It is a reducing agent (2) It is an oxidising agent (3) It is a sterilising agent (4) It dissolves the impurities of water
Last Answer : It is an oxidising agent
Description : Bayer’s reagent is (1) Alkaline potassium permanganate (2) Acidified potassium permanganate (3) Hydrogen peroxide (4) Bromine water
Last Answer : Alkaline potassium permanganate
Description : Which of the following is not a method of preparing oxygen? (1) Electrolysis of water (2) Fractional distillation of liquid air (3) Decomposition of potassium permanganate (4) Decomposition of manganese dioxide
Last Answer : Decomposition of manganese dioxide
Description : What is the scientific name of locust ?
Last Answer : Scientific name of locust = schistocerca gregaria.
Description : What is the scientific name of crocodile ?
Last Answer : Answer : The scientific name of the crocodile is Gavialias Gengcticus.
Description : What is the Scientific Name of Long Fish ?
Last Answer : Scientific name of long fish dipnoi.
Description : What is the Scientific Name of Amphitheater ?
Last Answer : Scientific name of Amphi Oxus Cephalochordate / Cephalochordate.
Description : What is the name of the largest tree in the world ?
Last Answer : The name of the tallest tree is Coast Redwood. Scientific name Sequoia sempervirens . There are other common names for this tree California Redwood , Giant Redwood.
Description : What is the Scientific Name of Mahogany ?
Last Answer : scientific name of mahogany is : Swietenia mahagoni.
Description : What is the scientific name of onion ?
Last Answer : The scientific name of onion is Allium cepa.
Description : What is the scientific name of potato ?
Last Answer : The scientific name of potato is Solanum tuberosum.
Description : Coroner: What is the scientific name ?
Last Answer : : The scientific name of coronavirus is Orthocoronavirinae ( Orthocoronavirinae) or Coronavirinae (Coronavirinae ).
Description : What are the chemical signals of Zinc Sulphate ?
Last Answer : : Chemical signal of zinc sulphate ZnSO4
Description : What are the chemical signals of Gluber Salt ?
Last Answer : : Chemical Signal of Glover Salt 10H2O
Description : What are the chemical signals of calcium carbonate (limestone) ?
Last Answer : Chemical symbol of calcium carbonate (limestone) CaCO3
Description : What are the chemical signals of copper sulphate ?
Last Answer : : Chemical signal of copper sulphate CuSO4
Description : What are the chemical signals of Gold Chloride ?
Last Answer : : Chemical signal of gold chloride AuCl3
Description : What are the chemical signals of Ammonium Chloride ?
Last Answer : : Chemical signal of ammonium choroid NH4Cl
Description : What are the chemical signals of sodium choroid ?
Last Answer : : The chemical signal of sodium choroid (food salt) is NaCl
Description : What are the chemical signals of Ammonium Hydroxide ?
Last Answer : : Chemical signal of ammonium hydroxide NH4OH
Description : What are the chemical signals of Sodium Hydroxide ?
Last Answer : : The chemical symbol of sodium hydroxide is NaOH
Description : What are the chemical signals of sodium oxide ?
Last Answer : : The chemical signal of sodium oxide is Na2O
Description : What are the chemical signals of calcium hydroxide ?
Last Answer : : Chemical signal of calcium hydroxide Ca (OH) 2
Description : What are the chemical signals of calcium oxide ?
Last Answer : Chemical signals of calcium oxide CaO
Description : What are the chemical signals of cyanic acid ?
Last Answer : : Chemical signal of cyanic acid HCNO