Description : Which of the following salt has water of crystallization? (A) Washing soda (B) Baking soda (C) Gypsum (D) None
Last Answer : (C) Gypsum
Description : Bleaching powder is made from - (1) Sulphur dioxide and gypsum (2) Chlorine and Charcoal (3) Soda ash and lime (4) Lime and Chlorine
Last Answer : (4) Lime and Chlorine Explanation: The gas which is used in the preparation of bleaching powder is chlorine. It is a mixture of lime and calcium chloride.
Description : Which of the following salts do not have the water of crystalisation? (i) Bleaching Powder (ii) Plaster of Paris (iii) washing soda (iv) Baking soda (a) (ii) and (iv) (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (iv)
Last Answer : (d) (i) and (iv)
Description : Lime water reacts with chlorine to give a) bleaching powder b) baking powder c) baking soda d) washing soda
Last Answer : a) bleaching powder
Description : What is the common name of CaOCI2? (1) Baking Powder (2) Baking Soda (3) Bleaching Powder (4) Washing Soda
Last Answer : (3) Bleaching Powder Explanation: Calcium hypochlorite, an inorganic compound with formula Ca(CIO)2, is commonly known as bleaching powder. It is not highly soluble in water and is more preferably used in soft to medium hard water.
Description : Commercially, sodium bicarbonate is known as – (1) Washing soda (2) Baking soda (3) Bleaching powder (4) Soda ash
Last Answer : (2) Baking soda Explanation: Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a ... . It is a component of the mineral patron and is found dissolved in many mineral springs.
Description : Commercially, sodium bicarbonate is known as (1) Washing soda (2) Baking soda (3) Bleaching powder (4) Soda ash
Last Answer : Baking soda
Description : The salt which is used to remove the hardness of water is (A) NaOH (B)Baking Soda (C) Bleaching powder (D) All of these
Last Answer : (C) Bleaching powder
Description : Which one of the following is extensively used for sterilizing water? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder
Last Answer : (1) Bleaching powder Explanation: Bleaching powder is extensively used in sterilizing water. Calcium hypochlorite is a chemical compound with formula Ca(OCl)2. It is widely used for water treatment and as a ... has two forms: a dry form and a hydrated form. The hydrated form is safer to handle.
Description : Which one of the following is extensively used for sterilizing water ? (1) Bleaching powder (2) Alum (3) Borax powder (4) Soda powder
Last Answer : Bleaching powder
Description : Which one of the following salts does not contain water of crystallisation? (a) Blue vitriol (b) Baking soda (c) Washing soda (d) Gypsum
Last Answer : (b) Baking soda
Description : Which one of the following salts does not con-tain water of crystallisation? a) Blue vitriol b) Baking soda c) Washing soda d) Gypsum
Last Answer : b) Baking soda
Description : Which one of the following salts does not contain water of crystallisation? a) Soda Blue vitriol b) Baking soda c) Washing d) Gypsum
Description : What is the name and chemical formula of the main product formed by heating baking soda. (a) sodium carbonate,Na 2 CO 3 (b) Bleaching powder ,CaOCl 2 (c) sodium chloride,Na Cl (d)Plaster of paris ,CaSO 4 .I/2H 2 O
Last Answer : (a) sodium carbonate,Na 2 CO 3
Description : Thissubstance is commonly used in the kitchen for making tasty crispy pakoras and is sometimes added for faster cooking. Which of the following is it? (1) Baking soda (2) Bleaching powder (3) Vinegar (4) Artificial sweeteners
Last Answer : (1) Baking soda Explanation: Baking soda. When mixed with an acid, baking soda spurs a chemical reaction that produces carbon dioxide gas—or put more simply, it creates bubbles that cause baked goods to rise.
Description : Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on (A) Slaked lime (B) Soda lime (C) Calcium perchlorate (D) None of these
Last Answer : (A) Slaked lime
Description : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 mL of 1.0 M Mohr salt solution was added c
Last Answer : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 ... Cl_(2)` approximately is (mol wt = 71)
Description : Bleaching powder contains a salt of an oxoacid as one of its components . The anhydride of that acid is
Last Answer : Bleaching powder contains a salt of an oxoacid as one of its components . The anhydride of that acid is A. ... ` B. `Cl_2O_7` C. `ClO_2` D. `Cl_2O_6`
Description : What is baking powder? (a) mixture of baking soda with tartaric acid (b) mixture of washing soda with citric acid (c) mixture of sodium hydrogen carbonate with edible acid (d) option a and c both
Last Answer : (d) option a and c both
Description : Which of the following has sodium bicarbonate as its main constituent? (A) Baking soda (B) Baking powder (C) Washing soda (D) None of these
Last Answer : (B) Baking powder
Description : Salt A commonly used in bakery products on heating gets converted into another salt B which itself is used for removal the hardness of water and a gas C is evolved. The gas C when passed through lime water ,turns it ... © A is baking soda ,B is washing soda and C is carbon dioxide (d) both a and c
Last Answer : (d) both a and c
Description : The water of crystallization is the variable number of water molecules present in a salt – (a) True (b) False
Last Answer : (b) False
Description : When ehtyl alcohol is distilled with bleaching powder and water then chloroform is obtained. The no. of moles of bleaching powder needed in the prepar
Last Answer : When ehtyl alcohol is distilled with bleaching powder and water then chloroform is obtained. The no. of moles of bleaching ... is A. 10 B. 5 C. 4 D. 2
Description : Bleaching powder is used in drinking water as a/an – (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant
Last Answer : (1) disinfectant Explanation: Bleach refers to a number of chemicals which remove colour, whiten or disinfect, often via oxidation. Bleaches are used as household chemicals to whiten clothes and ... to control bacteria, viruses and algae and in any institution where sterile conditions are needed.
Description : Foul odour and bad taste of water is removed by treating with (A) Alum (B) Bleaching powder (C) Activated carbon (D) Copper sulphate
Last Answer : (C) Activated carbon
Description : Which of the following statements is correct about aniline? (a) is weak acid. (b) diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid. (c) can be nitrated with ... p-nitroaniline. (d) gives an intense green color with a suspension of bleaching powder in water
Last Answer : diazotizes to benzenediazonium chloride when treated with ice-cold nitrous acid.
Description : Most widely and commonly used coagulant for the removal of suspended impurities in water is (A) Bleaching powder (B) Slaked lime (C) Alum (D) Copper sulphate
Last Answer : (C) Alum
Description : The most widely used coagulant for removing suspended impurities from water is (A) Bleaching powder (B) Chlorine (C) Calcium sulphate (D) Alum
Last Answer : (D) Alum
Description : A rural water supply serves a population of 10, 000 at the rate of 50 litres per capita per day . For the chlorine dose of 2 PPM the required amount of bleaching powder with 20% available chlorine will be a. 0.5 kg b. 5 kg * c. 10 kg d. 15 kg
Last Answer : b. 5 kg
Description : Bleaching powder is used in drinking water as a/an (1) disinfectant (2) antibiotic (3) antiseptic (4) coagulant
Last Answer : disinfectant
Description : Which is the germicidal component in bleaching powder?
Last Answer : Chlorine
Description : Which acid is used in Bleaching powder manufacturing?
Last Answer : Calcium hydroxide
Description : Bleaching powder contains------? A. Nitrogen B. Iodine C. Chlorine (Answer) D. Bromine
Last Answer : C. Chlorine (Answer)
Description : The chemical name of Bleaching powder is (A)Calcium Chloride (B) Calcium Chloro-Oxide (C) Calcium Oxychloride (D) Hypochloride
Last Answer : (C) Calcium Oxychloride
Description : How many grams of bleaching powder per century is better to prevent falling disease ?
Last Answer : It is better to mix 80 grams of bleaching powder per century to prevent lean disease .
Description : What is the chemical name of bleaching powder ?
Last Answer : The chemical name of bleaching powder is calcium hypochlorite. Other names are: Calcium Oxychloride , Hypochlorous Acid , Calcium Salt etc.
Description : What is Bleaching Powder ?
Last Answer : It is a powder like wheel powder. Sesame stains on the fabric. Used to clean various things.
Description : What is the technique of removing blemishes with bleaching powder ?
Last Answer : First, cover your face and nose with a handkerchief. Take 1.5 mugs of water in a bucket for a cloth. Now stir 2.5 teaspoons of bleaching powder with water with a stick. Then soak the ... clothes well. Then rinse again with detergent powder and let dry. Finally, wash your hands thoroughly with soap.
Description : What is the signal of bleaching powder ?
Last Answer : Chemical signal Ca (OCl) Cl
Last Answer : It Wheel Powder Of Like One Powder. Tila Stains Picks up Of cloth. Different Something Clear To do Usage By
Description : The percentage of available chlorine in a commercial sampleof bleaching powder is
Last Answer : The percentage of available chlorine in a commercial sampleof bleaching powder is A. `52.9%` B. `55.9%` C. `58%` D. `60%`
Description : Action of bleaching powder on ethyl alcohol gives
Last Answer : Action of bleaching powder on ethyl alcohol gives A. Choloform B. Dichloromethane C. Trichloroethane D. Ethylenechloride
Description : What is the chemical name of bleaching powder? A. Calcium Hypochlorite B. Calcium Chlorate C. Calcium Chloride D. Chlorine
Last Answer : ANSWER: A
Description : Name the gas used in preparation of bleaching powder – (1) Oxygen (2) Hydrogen (3) Nitrogen (4) Chlorine
Last Answer : (4) Chlorine Explanation: Bleaching powder in manufactured by passing chlorine gas over dry slaked lime. Bleaching powder is also called calcium chlorohypochlorite be-cause it is considered as a mixed salt of hydrochloric acid and hypochlorous acid.
Description : Bleaching powder is prepared by passing – (1) Chlorine over slaked lime (2) Oxygen over slaked lime (3) Carbon dioxide over slaked lime (4) Chlorine over quick lirne
Last Answer : (1) Chlorine over slaked lime Explanation: Calcium hypochlorite (bleaching powder) is manufactured by the calcium process: 2Cl2 + 2Ca(OH)2 (slaked lime) Ca(OCl)2 + CaCl2 + 2H2O. Bleaching powder is actually a mixture of calcium hypochlorite and the basic chloride with some slaked lime.
Description : Chemical name of bleaching powder is (1) Calcium chlorate (2) Calcium hypochlorite (3) Calcium chloro hypochlorite (4) Calcium bi chloride
Last Answer : (2) Calcium hypochlorite Explanation: Calcium hypochlorite is a chemical compound with formula Ca(ClO)2. It is widely used for water treatment and as a bleaching agent. This chemical is considered to be relatively stable and has greater available chlorine than sodium hypochlorite.
Description : Tear gas is – (1) Chloroprene (2) Carbonyl chloride (3) Nitrous oxide (4) Bleaching powder
Last Answer : (2) Carbonyl chloride Explanation: Tear gas, formally known as a lachrymatory agent or ladnymator (from lacrima meaning "tear" in Latin), is a non-lethal chemical weapon that ... temporary blindness, etc. Lachrymators are thought to act by attacking sulphydryl functional groups in enzymes.
Description : Bleaching action of bleaching powder is due to its __________ properties. (A) Reducing (B) Oxidising (C) Disinfecting (D) None of these
Last Answer : (B) Oxidising
Description : CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia
Last Answer : (B) Bleaching powder