What is limestone ?

What is limestone ?
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Answer :

: Limestone is the stone that is made by burning .
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(1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco and most non-specialty grout. It usually originates from limestone. It is a fine powder produced by grinding Portland cement. clinker (more than 90%), a limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.

Description : (1) Calcium silicate and calcium alurninate Explanation: Portland cement is the most common type of cement in general use around the world because it is a basic ingredient of concrete, mortar, stucco ... limited amount of calcium sulfate (which controls the set time) and up to 5% minor constituents.

Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

Limestone is a raw material used by which industry? (1) Aluminium (2) Fertilizers (3) Cement (4) Petrochemicals

Description : Limestone is a raw material used by which industry? (1) Aluminium (2) Fertilizers (3) Cement (4) Petrochemicals

Last Answer : (3) Cement Explanation: Limestone is used as a rawmaterial for the manufacture of quicklime (calcium oxide), slaked lime (calcium hydroxide), cement and mortar. Clay and shale are also used as raw materials for the production of cement.

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.

Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Description : Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Last Answer : (3) Calcium phosphate Explanation: The protective layer around your teeth, called enamel, is the strongest substance that our body produces. In fact, tooth enamel is stronger than any other substance on earth except for diamonds.

Cement is formed by strongly heating a mixture of – (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite

Description : Cement is formed by strongly heating a mixture of – (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite

Last Answer : (2) limestone and clay Explanation: Cement is made by heating limestone (calcium carbonate) with small quantities of other materials (such as clay) to 1450 degree C in a kiln, in a process known as ... , or quicklime, which is then blended with the other materials that have been included in the mix.

Raw materials used for the manufacture of glass are – (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda

Description : Raw materials used for the manufacture of glass are – (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda

Last Answer : (1) sand, soda, limestone Explanation: Quartz sand (silica) is the main raw material in commercial glass production. While fused quartz (primarily composed of SiO2) is used for some special ... over 1200 degree C (2192 degree F). Normally, other substances are added to simplify processing.

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.

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

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

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.

Quartz is a crystalline form of - (1) Alumina (2) Glass (3) Silica (4) Limestone

Description : Quartz is a crystalline form of - (1) Alumina (2) Glass (3) Silica (4) Limestone

Last Answer : (3) Silica Explanation: Quartz is made up of a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO2. Tridymite ... is a denser polymorph of quartz found in some meteorite impact sites and in metamorphic rocks.

What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001] (A) 22.4 litre (B) 2.016 litre (C) 2.24 litre (D) 20.16 litre

Description : What will be the volume of CO2 at NTP obtained on heating 10 grams of (90% pure) limestone [Pb. CET 2001] (A) 22.4 litre (B) 2.016 litre (C) 2.24 litre (D) 20.16 litre

Last Answer : (B) 2.016 litre

Which of the following is the element which makes up about 8 percent of the earth's crust and occurs in all rocks except limestone and sandstone? w) sulfur x) aluminum y) sodium z) magnesium

Description : Which of the following is the element which makes up about 8 percent of the earth's crust and occurs in all rocks except limestone and sandstone? w) sulfur x) aluminum y) sodium z) magnesium

Last Answer : ANSWER: X -- ALUMINUM

Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Last Answer : ANSWER: W -- LIMESTONE AND CARBON

Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Description : Which of the following are alloying materials used the manufacture of stainless steel? w) Limestone and carbon x) Calcium oxide and oxygen y) Oxygen and sulfur dioxide z) Chromium and nickel

Last Answer : ANSWER: Z -- CHROMIUM AND NICKEL

I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element occurs abundantly in all ordinary rocks, except limestone and sandstone; is third in abundance of the elements in the earth's crust and used to make drink cans. The atomic number of this element is 13. Name t element.

Description : I will be describing a chemical element. Try to identify it with the fewest number of clues. This chemical element is a silver-white metal, with bluish tinge, capable of taking a high polish. T element ... crust and used to make drink cans. The atomic number of this element is 13. Name t element.

Last Answer : ANSWER: ALUMINUM

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 :  Limestone, Clay and Gypsum

Limestone is a raw material used by which industry? (1) Aluminium (2) Fertilizers (3) Cement (4) Petrochemicals

Description : Limestone is a raw material used by which industry? (1) Aluminium (2) Fertilizers (3) Cement (4) Petrochemicals

Last Answer : Cement

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

Quartz is a crystalline form of (1) Alumina (2) Glass (3) Silica (4) Limestone

Description : Quartz is a crystalline form of (1) Alumina (2) Glass (3) Silica (4) Limestone

Last Answer : Silica

Raw materials used for the manufacture of glass are (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda

Description : Raw materials used for the manufacture of glass are (1) sand, soda, limestone (2) sand, charcoal, soda (3) limestone, charcoal, sulphur (4) sand, sulphur, soda 

Last Answer : sand, soda, limestone

Cement is formed by strongly heating a mixture of (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite

Description : Cement is formed by strongly heating a mixture of (1) limestone and graphite (2) limestone and clay (3) chalk and graphite (4) clay and graphite 

Last Answer : limestone and clay

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 : Slaked lime

1. Name the state that produces the largest amount of limestone. -Geography

Description : 1. Name the state that produces the largest amount of limestone. -Geography

Last Answer : 1. Madhya Pradesh 2. It is a basic input in the cement industry. It is used in the production of Portland cement.

State two reasons why limestone is a valuable mineral. -Geography

Description : State two reasons why limestone is a valuable mineral. -Geography

Last Answer : Limestone is a valuable mineral because it is used in various industries like chemicals, iron and steel, cement, fertilizers etc.

Name any two industrial products for which limestone is used as a source of raw material. -Geography

Description : Name any two industrial products for which limestone is used as a source of raw material. -Geography

Last Answer : Two industrial products for which limestone is used: 1. Iron and steel industry 2. Cement industry

State any one use of limestone. -Geography

Description : State any one use of limestone. -Geography

Last Answer : Limestone is a sedimentary rock but composed majorly of the minerals - calcite and aragonite which are different forms of calcium carbonate. It is the basic raw material required in the cement industry and essential for smelting iron in the blast furnaces.

Processing of which minerals release huge amount of dust in the atmosphere? 1 a) Sandstone b) Iron ore c) Limestone d) Bauxite 15. -Geography

Description : Processing of which minerals release huge amount of dust in the atmosphere? 1 a) Sandstone b) Iron ore c) Limestone d) Bauxite 15. -Geography

Last Answer : C) Limestone

Where do we find limestone and what are its uses? -SST 10th

Description : Where do we find limestone and what are its uses? -SST 10th

Last Answer : . It is found in association with rocks composed of calcium carbonates or calcium and magnesium carbonates. . It is found in sedimentary rocks of most geological formations. . Limestone is the basic raw material for the cement industry. It is essential for smelting iron ore in the blast furnace.

Which one of the following industries uses limestone as a raw material ? -SST 10th

Description : Which one of the following industries uses limestone as a raw material ? -SST 10th

Last Answer : B - The common materials to manufacture cement include: limestone, shells, and chalk.

What are the uses of limestone ? -SST 10th

Description : What are the uses of limestone ? -SST 10th

Last Answer : (i) Limestone is the basic raw material for the cement industry and essential elements for smelting iron ore in the blast furnace. (ii) Andhra Pradesh and Madhya Pradesh.

State uses of limestone. Also mention the states where it is produced. -SST 10th

Description : State uses of limestone. Also mention the states where it is produced. -SST 10th

Last Answer : Limestone is the basic raw material for the cement industry and essential for smelting iron ore in the blast furnace. It is found in association with ... geological formations. It is produced in states like Andhra Pradesh, Madhya Pradesh, Rajasthan, Gujarat and Tamil Nadu.

Name any two industrial products for which limestone is used as a source of raw material. -SST 10th

Description : Name any two industrial products for which limestone is used as a source of raw material. -SST 10th

Last Answer : Two industrial products for which lime stone is used are: (i) Iron and Steel Industry (ii) Cement Industry.

Give two uses of limestone. -SST 10th

Description : Give two uses of limestone. -SST 10th

Last Answer : (i) Used in the manufacture of cement and chemicals. (ii) As a fluxing material iron and steel industry.

Limestone is changed into marble. -Geography

Description : Limestone is changed into marble. -Geography

Last Answer : Limestone is changed into marble due to the following reasons: The overlying layers of rocks put pressure on the underlying rocks. From the surface to the interior of the earth, temperature and heat go on increasing. Due to pressure and heat, the original limestone changes into marble.

What Is The Best Way To Point a Limestone Wall What is The Best Mixture?

Description : What Is The Best Way To Point a Limestone Wall What is The Best Mixture?

Last Answer : Before learning about the ways to point a limestone retaining wall or the best mixtures, let's understandWhat is Pointing?Pointing is considered as an act of filling the gaps between masonry units (most ... them accordingly.What Is The Best Way To Point a Limestone Wall?First StepRake out the exi

What is limestone transformed rock ?

Description : What is limestone transformed rock ?

Last Answer : : Limestone sedimentary rock which is converted into metamorphic rock is called calcareous metamorphic rock.

What are the chemical signals of calcium carbonate (limestone) ?

Description : What are the chemical signals of calcium carbonate (limestone) ?

Last Answer : Chemical symbol of calcium carbonate (limestone) CaCO3

What are the chemical signals of limestone ?

Last Answer : Chemical signals of limestone CAO

What are the chemical signals of limestone ?

Last Answer : Chemical symbol of limestone CaCO3

Etching of marble, limestone, jewellery , etc. is caused by pollutant

Description : Etching of marble, limestone, jewellery , etc. is caused by pollutant

Last Answer : Etching of marble, limestone, jewellery , etc. is caused by pollutant A. `CO_(2)` B. CO C. `SO_(2)` D. `CH_(4)`

Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% pure limestone `(CaCO_(3))` :

Description : Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% pure limestone `(CaCO_(3))` :

Last Answer : Calculate the weight of lime (CaO) obtained by heating 200 kg of 95% pure limestone `(CaCO_(3))` : A. 104.4 kg B. 105.4 kg C. 212.8 kg D. 106.4 kg

How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Description : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Last Answer : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

In the metallurgy of iron, when limestone is added to the blast furnace,the calcium ions end up in

Description : In the metallurgy of iron, when limestone is added to the blast furnace,the calcium ions end up in

Last Answer : In the metallurgy of iron, when limestone is added to the blast furnace,the calcium ions end up ... B. Gangue C. Metallic calcium D. Calcium Carbonate

A mixture of haematite, coke and limestone on heating in blast furnace gives molten iron metal. This is known as

Description : A mixture of haematite, coke and limestone on heating in blast furnace gives molten iron metal. This is known as

Last Answer : A mixture of haematite, coke and limestone on heating in blast furnace gives molten iron metal. ... Smelting B. Calcination C. Roasting D. Liquition

Is obtaining lime from limestone exothermic?

Description : Is obtaining lime from limestone exothermic?

Last Answer : This chemical reaction is endothermic.

Is it true that exfoliation is the effect that ground water has on limestone?

Description : Is it true that exfoliation is the effect that ground water has on limestone?

Last Answer : yes

In what region of Florida is limestone found?

Description : In what region of Florida is limestone found?

Last Answer : Feel Free to Answer

Is limestone a compoundelement or mixture?

Description : Is limestone a compoundelement or mixture?

Last Answer : What is the answer ?

What does limestone turn into after you heat it?

Description : What does limestone turn into after you heat it?

Last Answer : Need answer

Is formation of limestone a physical or chemical change?

Description : Is formation of limestone a physical or chemical change?

Last Answer : I am not sure but I think it is Physical change.