Ca(OH)2 is called (A) Quicklime (B) Slaked lime (C) Limestone (D) Gypsum

Ca(OH)2
is called
(A) Quicklime
(B) Slaked lime
(C) Limestone
(D) Gypsum
by

1 Answer

Answer :

(B) Slaked lime
by

Related questions

Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Description : Mortar is a mixture of water sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

Last Answer : (1) Slaked lime Explanation: Mortar is a workable paste used to bind construction blocks together and fill the gaps between them. The blocks may be stone, brick, cinder blocks, etc. Mortar becomes hard ... Mortar can also be used to fix, or point, masonry when the original mortar has washed away.

Mortar is a mixture of water, sand and (1) Slaked lime (2) Quick lime (3) Limestone (4) Gypsum

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Last Answer : Slaked lime

__________ of quicklime produces slaked lime. (A) Hydration (B) Dehydration (C) Hydrogenation (D) None of these

Description : __________ of quicklime produces slaked lime. (A) Hydration (B) Dehydration (C) Hydrogenation (D) None of these

Last Answer : (A) Hydration

(A) Washing soda (B) Soda ash (C) Slaked lime (D) Quicklime

Description : (A) Washing soda (B) Soda ash (C) Slaked lime (D) Quicklime

Last Answer : (A) Washing soda

The product obtained on mixing calcium oxide with water is called (A) Quicklime (B) Slaked lime (C) Milk of lime (D) None of these

Description : The product obtained on mixing calcium oxide with water is called (A) Quicklime (B) Slaked lime (C) Milk of lime (D) None of these

Last Answer : (B) Slaked lime

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

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. 

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

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

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

CaO is called (A) Quick lime (B) Slaked lime (C) Limestone (D) Calcite

Description : CaO is called (A) Quick lime (B) Slaked lime (C) Limestone (D) Calcite

Last Answer : (A) Quick lime

Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

Description : Rotary kiln is not involved in the production of (A) Cement (B) Lime from limestone (C) Slaked lime from quick lime (D) None of these

Last Answer : (C) Slaked lime from quick lime

Find the odd one: (1) Marble (2) Chalk (3) Limestone (4) Slaked lime

Description : Find the odd one: (1) Marble (2) Chalk (3) Limestone (4) Slaked lime

Last Answer : Slaked lime

Fusion of limestone and __________ produces high alumina cement. (A) Sand (B) Bauxite (C) Quicklime (D) Calcite

Description : Fusion of limestone and __________ produces high alumina cement. (A) Sand (B) Bauxite (C) Quicklime (D) Calcite

Last Answer : (B) Bauxite

When limestone is subjected to high temperature and pressure known as Metamorphism, it results in the formation of? a. Granite b. Quicklime c. Sandstone d. Marble

Description : When limestone is subjected to high temperature and pressure known as Metamorphism, it results in the formation of? a. Granite b. Quicklime c. Sandstone d. Marble

Last Answer : d. Marble

The lime which contains mainly calcium oxide and slacks with water, is known as a) Fat lime b) Quicklime* c) Hydraulic lime d) Poor line

Description : The lime which contains mainly calcium oxide and slacks with water, is known as a) Fat lime b) Quicklime* c) Hydraulic lime d) Poor line

Last Answer : b) Quicklime*

The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,

Description : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,

Last Answer : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of ... 0.222g` C. `2.22 g` D. `0.444 g`

Formula for quick lime, is (A) CaCO3 (B) Ca(OH)2 (C) CO3CO2 (D) None to thes

Description : Formula for quick lime, is (A) CaCO3 (B) Ca(OH)2 (C) CO3CO2 (D) None to thes

Last Answer : Answer: Option A

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

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

Addition of calcium oxide to water produces (A) Exothermic heat (B) Hissing sound (C) Slaked lime (D) All (A), (B) & (C)

Description : Addition of calcium oxide to water produces (A) Exothermic heat (B) Hissing sound (C) Slaked lime (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

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

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

What is slaked lime ?

Description : What is slaked lime ?

Last Answer : Slaked lime is calcium hydroxide. It is also called colchicum.

What is the ratio of slaked lime and sand in mortar ?

Description : What is the ratio of slaked lime and sand in mortar ?

Last Answer : Ratio is 1:3

The commercial name for calcium hydride is (a) Lime (b) Hydrolith (c) Slaked lime (d) Calgon

Description : The commercial name for calcium hydride is (a) Lime (b) Hydrolith (c) Slaked lime (d) Calgon

Last Answer : Ans:(b)

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

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.

What is the difference between quick lime and slaked lime?

Description : What is the difference between quick lime and slaked lime?

Last Answer : Quick lime is calcium oxide and slaked lime is calcium hydroxide

Write any three uses of Calcium Hydroxide (Slaked lime)

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.

Which of the following is acidic in nature? a) Apple juice b) Soap solution c) Slaked lime d) Lime

Description : Which of the following is acidic in nature? a) Apple juice b) Soap solution c) Slaked lime d) Lime

Last Answer : a) Apple juice

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

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The commonly used lime in white washing is a) Hydraulic lime b) Slaked lime c) Plain lime d) White lime*

Description : The commonly used lime in white washing is a) Hydraulic lime b) Slaked lime c) Plain lime d) White lime*

Last Answer : d) White lime*

write any three uses of Calcium Hydroxide (Slaked lime)

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. 

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

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 : Chlorine over slaked lime

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Iron Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Description : Which one of the following is a metal? A. Gypsum B. Iron C. Limestone D. Granite

Last Answer : ANSWER: B

Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

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Last Answer : (2) Manganese and limestone Explanation: Composite volcanoes are most commonly found in island arcs. Most of them are found scattered on the islands adjoining the Pacific Ring of Fire where ... region of high volcanic and seismic activity that surrounds the majority of the Pacific Ocean Basin.

Which one of the following is used in large quantities in Cement Industry? (1) Gypsum (2) Limestone (3) Coal (4) Clay

Description : Which one of the following is used in large quantities in Cement Industry? (1) Gypsum (2) Limestone (3) Coal (4) Clay

Last Answer : (2) Limestone Explanation: Limestone, as used by the minerals industry, is any rock composed mostly of calcium carbonate (CaCO3). Limestone is used to produce Portland cement, as aggregate ... products, making it a truly versatile commodity. Portland cement is essential to the building industry.

Chemical composition of cement is – (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum

Description : Chemical composition of cement is – (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum

Last Answer : (2) Limestone, Clay and Gypsum Explanation: The two important raw materials used for the preparation of cement are : • Limestone : The chemical formula of limestone is CaCO3 and it is used in the manufacture of cement just to provide CaO.

Which is/ are the important raw materials in cement industry? (1) Limestone (2) Gypsum and Clay (3) Clay (4) Limestone and Clay

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Last Answer : (4) Limestone and Clay Explanation: Limestone Claimed Clay Cement is a low-carbon alternative to the standard Portland cement. LC3 can reduce CO2 emissions related to cement manufacturing of cement by reducing the amount of clinker, replacing it with limestone and claimed clays.

The rock in which ground water is LEAST likely to form caverns is: w) sandstone x) limestone y) salt z) rock gypsum

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Last Answer : ANSWER: W -- SANDSTONE 

The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt

Description : The black sand of the Hawaiian Islands is composed of which of the following? w) dark limestone x) quartz y) gypsum z) basalt

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Chemical composition of cement is (1) Limestone and Clay (2) Limestone, Clay and Gypsum (3) Limestone and Gypsum (4) Clay and Gypsum

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Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

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Last Answer :  Manganese and limestone

Pick out the wrong statement. (A) High early strength cement are made from materials having high silica to lime ratio (B) The function of gypsum in cement is to enhance its initial setting rate (C) Acid resistant cements are known as silicate cement (D) Major component of greyish Portland cement is tricalcium silicate

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Last Answer : (A) High early strength cement are made from materials having high silica to lime ratio

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Last Answer : (A) Plaster of Paris

Calcination of limestone to produce lime is done in a __________ kiln. (A) Tunnel (B) Rotary (C) Vertical shaft (D) Both (B) and (C)

Description : Calcination of limestone to produce lime is done in a __________ kiln. (A) Tunnel (B) Rotary (C) Vertical shaft (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Calcination of limestone is not done in a __________ kiln for producing lime. (A) Vertical shaft (B) Rotary (C) Fluidised bed (D) Fixed bed

Description : Calcination of limestone is not done in a __________ kiln for producing lime. (A) Vertical shaft (B) Rotary (C) Fluidised bed (D) Fixed bed

Last Answer : (D) Fixed bed

Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in damp places having no free circulation of air is called setting (C) The product that remains after calcination of limestone, is called lime (D) All the above

Description : Pick up the correct statement from the following: (A) The heating of a material to redness in contact with air, is known as calcination (B) The property of lime by which it sets or hardens in ... (C) The product that remains after calcination of limestone, is called lime (D) All the above

Last Answer : Answer: Option D

Which of the following can be used to correct acidic soil? (a) Gypsum (b) Lime (c) Vegetable compost (d) Calcium superphosphate

Description : Which of the following can be used to correct acidic soil? (a) Gypsum (b) Lime (c) Vegetable compost (d) Calcium superphosphate

Last Answer : Ans: (b)

Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Last Answer : ANSWER: B

Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Description : Hyderabad has deposits of _____. A. Chromite B. Gypsum C. Fire Clay D. Lime-stone

Last Answer : ANSWER: D

Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Description : Which mineral is mostly found in northern and western mountains of Pakistan? A. Chromite B. Lime-stone C. China Clay D. Gypsum

Last Answer : ANSWER: B