Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

1 Answer

Answer :

Ans:(b)

Related questions

Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

Description : Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

Description : Quick lime is (A) Calcium carbonate (B) Calcium oxide (C) Calcium hydroxide (D) None of the above

Last Answer : Answer: Option B

Description : The major calcium salt in bones is (A) Calcium carbonate (B) Calcium chloride (C) Calcium hydroxide (D) Calcium phosphate

Last Answer : Answer : D

Description : Brine is an a) aqueous solution of sodium hydroxide b) aqueous solution of sodium carbonate c) aqueous solution of sodium chloride d) aqueous solution of sodium bicarbonate

Last Answer : c) aqueous solution of sodium chloride

Description : __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine. (A) Chlorine (B) Ammonium chloride (C) Sodium carbonate (D) Sodium bi-carbonate

Last Answer : (A) Chlorine

Description : Pick up the correct statement from the following: (A) Lime is available in Free State (B) Lime is available by dissolving calcium carbonate in water (C) Lime is available by calcining calcium carbonate at 900°C (D) Lime is nothing but calcium chloride

Last Answer : Answer: Option C

Description : A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X ... Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

Last Answer : (b) X is Calcium carbonate and Y is calcium hydroxide

Description : Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium silicate Explanation: Glass is made from silica (SiO₂) and soda lime, which react to form sodium silicate.

Description : What is "milk of magnesia" chemically? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : (4) Magnesium hydroxide Explanation: agnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. As a suspension in water, it is often called milk of magnesia because of its milk-like appearance. The solid mineral form of magnesium hydroxide is known as brucite.

Description : What is “milk of magnesia” chemically ? (1) Magnesium carbonate (2) Sodium bicarbonate (3) Calcium hydroxide (4) Magnesium hydroxide

Last Answer : Magnesium hydroxide

Description : Consider the following statements: 1. Bordeaux mixture consists of sodium bromide and lime 2. Toothpastes contain calcium carbonate 3. Zinc amalgam is used in dental fillings 4. Liquid sodium is used as a coolant in nuclear reactors The ... 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(c)

Description : Pick up the correct statement from the following: (A) Slaked lime contains calcium hydroxide (B) Quick lime contains calcium oxide (C) Slaked lime may be obtained from quick lime (D) All the above

Last Answer : Answer: Option D

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl

Description : What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : (3) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... for the salinity of the ocean and of the extracellular fluid of many multi-cellular organisms.

Description : What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : Sodium chloride

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 : (4) sodium chloride contains hygroscopic impurities like magnesium chloride Explanation: Table salt is refined salt, which contains about 97 to 99 percent sodium chloride. It usually contains substances that ... of salt it become wet in rainy season as the salt absorbs moisture from environment.

Last Answer : Which of the following could be used as fuel in propellant or rockets? (1) Liquid Hydrogen + Liquid Nitrogen (2) Liquid Oxygen + Liquid Argon (3) Liquid Nitrogen + Liquid Oxygen (4) Liquid Hydrogen + Liquid Oxygen

Description : Chemical name of vinegar is -------? A. Sodium Nitrate B. Dilute acetic acid (Answer) C. Chloride of lime D. Calcium E. None of these

Last Answer : B. Dilute acetic acid (Answer)

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

Description : `Milk of Magnesia' is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium chloride

Last Answer : (3) magnesium hydroxide Explanation: Magnesium hydroxide is an inorganic compound with the chemical formula Mg(OH)2. As a suspension in water. it is often called milk of magnesia because of its milk-like appearance.

Description : Milk of magnesia is a suspension of – (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium Chloride

Last Answer : (3) magnesium hydroxide Explanation: Milk of magnesia is a suspension of magnesium hydroxide due to its milk-like appearance.

Description : In flue gas analysis by Orsat's apparatus, carbon dioxide is absorbed by (A) Potassium hydroxide (B) Dilute potassium carbonate (C) Cuprous chloride (D) Alkaline pyrogallol solution

Last Answer : (A) Potassium hydroxide

Description : ‘Milk of Magnesia’ is a suspension of : (1) magnesium sulphate (2) magnesium carbonate (3) magnesium hydroxide (4) magnesium chloride

Last Answer :  magnesium hydroxide

Description : Quicklime is a) Calcium carbonate b) Calcium bicarbonate c) Calcium oxide* d) Calcium hydroxide

Last Answer : c) Calcium oxide*

Description : Some physicians suggest that women supplement their diets with antacids to supply additional amounts of a certain element thought to reduce the risk of osteoporosis. The ingredient in antacids which ... element is: w) calcium carbonate x) aluminum hydroxide y) magnesium hydroxide z) simethicone 

Last Answer : ANSWER: W -- CALCIUM CARBONATE

Description : Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Last Answer : (1) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO2)is known as baking soda.

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : (1) Sodium Carbonate Explanation: When sodium bicarbonate is strongly heated, it decomposes into sodium carbonate, water vapor, and carbon dioxide. Solid sodium carbonate is a white powder and is used in ... name 'baking powder'; sodium bicarbonate is used in baking under the name 'baking soda'.

Description : Write two important uses of each of the following: (i)Sodium carbonate (II)Sodium Hydroxide (iii)Sodium hydrogen carbonate

Last Answer : Ans.(I)Sodium carbonate :for softening of hard water ,laboratory reagent. (II)Sodium hydroxide: in the manufacture of soap, in the purification of bauxite. (iii) Sodium hydrogen carbonate: as a mild antiseptic, as an antacid.

Description : The major constituent of black liquor generated during paper manufacture is sodium (A) Sulphate (B) Carbonate (C) Hydroxide (D) Bi-carbonate

Last Answer : (B) Carbonate

Description : The leaching solvent used in Baeyer's process for the purification of bauxite is (A) Ammonium hydroxide (B) Sodium carbonate (C) Sodium hydroxide (D) Ammonium carbonate

Last Answer : Option B

Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : Sodium Carbonate

Description : Baking soda is : (1) Potassium carbonate (2) Sodium hydroxide (3) Sodium carbonate (4) Sodium bicarbonate

Last Answer : Sodium bicarbonate

Description : Lime water turns milky when carbon dioxide is passed through it. It is due to the for mation of: (1) Calcium Carbonate (2) Barium Carbonate (3) Calcium Hydrogen Carbonate (4) Calcium Oxide

Last Answer : (1) Calcium Carbonate Explanation: When carbon dioxide is passed through lime water for a short time, it turns lime water milky due to formation of a white precipitate of calcium carbonate.

Description : Write any three uses of Calcium Hydroxide (Slaked lime)

Last Answer : Ans i) It is used in the preparation of mortar, a building material. (ii) It is used in white wash due to its disinfectant nature. (iii) It is used in glass making, in tanning industry, for the preparation of bleaching powder and for purification of sugar.

Description : write any three uses of Calcium Hydroxide (Slaked lime) 

Last Answer : i) It is used in the preparation of mortar, a building material.  (ii) It is used in white wash due to its disinfectant nature. (iii) It is used in glass making, in tanning industry, for the preparation of bleaching powder and for purification of sugar. 

Description : Write a note on the Physical Properties of Calcium Hydroxide (Slaked lime), Ca(OH)2

Last Answer : It is a white amorphous powder. It is sparingly soluble in water. The aqueous solution is known as lime water and a suspension of slaked lime in water is known as milk of lime. 

Description : How is Calcium Hydroxide (Slaked lime), Ca(OH)2 Prepared? 

Last Answer :  Calcium hydroxide is prepared by adding water to quick lime, CaO.

Description : For reclamation of alkaline soil — is used. a. Lime b. Calcium carbonate c. Gypsum d. None of these

Last Answer : c. Gypsum

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 : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

Description : Permanent - hardness of water may be removed by addition of – (1) Alum (2) Sodium carbonate (3) Lime (4) Potassium Permangante

Last Answer : (2) Sodium carbonate Explanation: Sodium carbonate (also known as washing soda or soda ash) is a sodium salt of carbonic acid. In domestic use, it is used as a water softener in laundering. It ... with the detergent being used. Sodium carbonate can be used to remove grease, oil and wine stains.

Description : Permanent – hardness of water may be removed by addition of (1) Alum (2) Sodium carbonate (3) Lime (4) Potassium Permangante

Last Answer : Sodium carbonate

Description : Presence of __________ hardness is responsible for the temporary hardness in water. (A) Carbonate (B) Calcium (C) Chloride (D) Sulphate

Last Answer : (B) Calcium

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

Last Answer : The chemical reaction is:2 NH4Cl + Ca(OH)2 = 2 NH4OH + CaCl2

Description : What is the double replacement for ammonium chloride plus calcium hydroxide?

Last Answer : The chemical reaction is:2 NH4Cl + Ca(OH)2 = 2 NH4OH + CaCl2

Description : Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

Last Answer : (i) H2 + Cl2 → 2HCl (ii) 3 BaCl2 + Al2(SO4)3 → BaSO4 + 2 AlCl3 (iii) 2Na + 2H2O → 2NaOH + H2↑