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

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

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Last Answer : B. Potassium dichromate

Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Description : Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

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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

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The chemical name of "Hypo" commonly used in photography is – (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

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Which one of the following substances is used for preservation of food grains? (1) Sodium benzoate (2) Vinegar (3) Sodium chloride (4) Potassium permanganate

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Description : What is the precipitate formed between barium nitrate and potassium phosphate?

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Last Answer : [c] Potassium

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Last Answer : 3) Ammonium phosphate

Which of the following is not a mixed fertiliser? (A) Nitrophosphate (B) Calcium ammonium nitrate (CAN) (C) Ammonium phosphate (D) None of these

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Last Answer : (B) Calcium ammonium nitrate (CAN)

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Last Answer : B.Calcium phosphate

What is reaction of calcium nitrate and potassium carbonate?

Description : What is reaction of calcium nitrate and potassium carbonate?

Last Answer : The chemical reaction is:Ca(NO3)2 + K2CO3 = CaCO3(s) + 2 KNO3

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

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.

Which type of N-fertilizer is suitable for water-logged soil? a) Zinc Phosphet b) Ammonium Sulphate c) Calcium d) Potassium 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

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

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 

Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4 )6 (F, Cl, OH) (C) Urea is more hygroscopic than ammonium nitrate (D) Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Description : Pick out the wrong statement. (A) Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water (B) Apatite is the principal material present in ... fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound fo

Last Answer : (C) Urea is more hygroscopic than ammonium nitrate

Strips of newspaper, filter paper and glazed paper are dipped in dilute potassium permanganate solution. Which paper will have absorbed more potassium permanganate?

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.

What is the color of potassium permanganate solution ?

Description : What is the color of potassium permanganate solution ?

Last Answer : The solution of potassium permanganate is pink in color.

What is the sign of potassium permanganate ?

Description : What is the sign of potassium permanganate ?

Last Answer : Its signal KMnO4 |

What are the chemical signals of Potassium Permanganate ?

Last Answer : : The chemical signal of potassium permanganate is KMnO4

What color is potassium permanganate ?

Last Answer : Potassium permanganate is purple

Thiamin is oxidized to thiochrome in alkaline solution by (A) Potassium permanganate (B) Potassium ferricyanide (C) Potassium chlorate (D) Potassium dichromate

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

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

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.

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

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.

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

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

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

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

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

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

1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4

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

The residual product discharged by the hydrogen-oxygen cell is ____________ a) Hydrogen peroxide b) Alcohol c) Water d) Potassium permanganate

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

What is the oxidation number of Manganese in Potassium Permanganate?

Description : What is the oxidation number of Manganese in Potassium Permanganate?

Last Answer : ANSWER: PLUS SEVEN

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

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