Description : What is the color of potassium permanganate solution ?
Last Answer : The solution of potassium permanganate is pink in color.
Description : What is the sign of potassium permanganate ?
Last Answer : Its signal KMnO4 |
Last Answer : Potassium permanganate is purple
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 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 are the chemical signals of Potassium Aluminum Sulphate ?
Last Answer : : Chemical Signals of Potassium Aluminum Sulphate Al2 (SO4) 3.K2SO4.24H2O
Last Answer : The chemical signal of potassium hydroxide is KOH
Last Answer : : Chemical signal of potassium dichromate K2Cr2O7
Description : Identify the result of chemical reaction between permanganate ion and Br- ?
Last Answer : Ans. MnO2 and BrO3 - are formed.
Description : What are the signals of Potassium and Calcium ?
Last Answer : K Potassium and Ca are signals of calcium
Description : `5H_(2)C_(2)O_(4)(aq)+2MnO_(4)(aq)+6H^(+)(aq) to 2Mn^(2+)(aq)+10CO_(2)(g)+8H_(2)O(l)` Oxalic acid, `H_(2)C_(2)O_(2)` , reacts with permanganate ion ac
Last Answer : `5H_(2)C_(2)O_(4)(aq)+2MnO_(4)(aq)+6H^(+)(aq) to 2Mn^(2+)(aq)+10CO_(2)(g)+8H_(2)O(l)` Oxalic acid, `H_ ... A. 13.5 mL B. 18.5 mL C. 33.8 mL D. 84.4 mL
Description : In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of `CO_(2)` is
Last Answer : In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of ... A. 5 B. 1 C. 2 D. 10
Description : How do you write nickel (II) permanganate?
Last Answer : Nickel (II) permanganate has the formula Ni(MnO4)2
Description : Pick out the wrong statement. (A) Fibrillation of fibre during paper manufacture is done to develop the strength in paper (B) Alkali consumption in digestion/cooking of bamboo is measured in terms ... both lignin & cellulose (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Last Answer : (D) Presence of sodium sulphate in pulp makes the pulp bleachability poor
Description : What are the chemical signals of tungsten ?
Last Answer : W Tangestine signal
Description : What are the chemical signals of hafnium ?
Last Answer : Hf Hafnium's signal
Description : What are the chemical signals of Rubidium ?
Last Answer : Rb Rubidium tax signal
Description : What are the chemical signals of cobalt ?
Last Answer : Co cobalt's chemical signal.
Description : What are the chemical signals of iron ?
Last Answer : Fe Chemical signals of iron
Description : What are the chemical signals of manganese ?
Last Answer : Mn signal of manganese
Description : What are the chemical signals of chromium ?
Last Answer : Cr signal of chromium
Description : What are the chemical signals of scandium ?
Last Answer : Sc Scandium signal
Description : What are the chemical signals of gypsum ?
Last Answer : Chemical signal of gypsum CaSO4.2H2O.
Description : What are the chemical signals of detergent ?
Last Answer : Detergent chemical signal C12H25SO4NA.
Description : What are the chemical signals of iso propyl ?
Last Answer : Chemical signal of iso propyl CH3CH (OH) CH3.
Description : What are the chemical signals of ethane ?
Last Answer : Chemical code of ethane CH = CH.
Description : What are the chemical signals of phenol ?
Last Answer : Fennel signal C6H5-OH ...