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

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 
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limestone and clay
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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.

Cement is formed by strongly heating a Mixture of –

Description : Cement is formed by strongly heating a Mixture of –

Last Answer : Lime Stone and clay

Cement is formed by strongly heating a Mixture of

Description : Cement is formed by strongly heating a Mixture of

Last Answer : Limestone and clay

Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and silt A B C D E (a) 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1

Description : Match the following : A. Chernozems 1. Rich in calcium carbonate B. Black soil 2. Contains aluminium compound C. Laterite 3. Richest soils in the world D. Terra Rosa 4. Formed in limestone E. Alluvial soil 5. It is a mixture of clay, sand and ... 1 2 3 4 5 (b) 3 1 2 4 5 (c) 4 5 3 1 2 (d) 3 4 5 2 1

Last Answer : Ans: (b)

Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as (A) Quick setting cement (B) Rapid hardening cement (C) White cement (D) Low heat Portland cement

Description : Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as (A) Quick setting cement (B) Rapid hardening cement (C) White cement (D) Low heat Portland cement

Last Answer : Answer: Option C

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

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.

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

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.

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

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

The base material for distemper is a) Chalk* b) Lime c) Lime putty d) Cement wash

Description : The base material for distemper is a) Chalk* b) Lime c) Lime putty d) Cement wash

Last Answer : a) Chalk*

On heating, Gypsum loses certain percentage of its water content and becomes (1) Chalk (2) Calcium sulphate (3) Plaster of Paris (4) a pearl

Description : On heating, Gypsum loses certain percentage of its water content and becomes (1) Chalk (2) Calcium sulphate (3) Plaster of Paris (4) a pearl

Last Answer : (3) Plaster of Paris Explanation: Plaster of paris, quick-setting gypsum plaster consisting of a fine white powder (calcium sulfate hemihydrate), which hardens when moistened and allowed to dry.

Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Description : Pick up the correct statement from the following: (A) Sandy clayloam contains highest percentage of sand (B) Silty clayloam contains highest percentage of silt (C) Stiff boulder clay offers maximum shear strength (D) Soft chalk carries least safe load

Last Answer : Answer: Option B

The base material for distemper, is (A) Chalk (B) Lime (C) Lime putty (D) Cement wash

Description : The base material for distemper, is (A) Chalk (B) Lime (C) Lime putty (D) Cement wash

Last Answer : Answer: Option A

Distemper is (A) A paint consisting of powdered chalk, pigments and water (B) A water proofing agent (C) A paint consisting of coloured cement and water (D) A drying agent

Description : Distemper is (A) A paint consisting of powdered chalk, pigments and water (B) A water proofing agent (C) A paint consisting of coloured cement and water (D) A drying agent

Last Answer : Answer: Option A

Calcareous and argillaceous materials used in manufacture of cement consists of (a) Lime stone (b) Chalk (c) Shales (d) All the above

Description : Calcareous and argillaceous materials used in manufacture of cement consists of (a) Lime stone (b) Chalk (c) Shales (d) All the above

Last Answer : (d) All the above

(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.

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

How do you separate chalk from a mixture of chalk and water?

Description : How do you separate chalk from a mixture of chalk and water?

Last Answer : As with separating salt from a salty solution of water by evaporation, so, with a chalky solution, you would boil off the water, leaving the chalk behind.

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

The lowest resistance grounding on earth A. Sand B. Clay C. Surface loam soil D. Limestone

Description : The lowest resistance grounding on earth A. Sand B. Clay C. Surface loam soil D. Limestone

Last Answer : C. Surface loam soil

When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite

Description : When clay hardens into rock, it forms: w) coal x) limestone y) shale z) quartzite

Last Answer : ANSWER: Y -- SHALE

The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Description : The principal aquifer of the artesian wells of Florida is a: w) porous sandstone x) fissured limestone y) series of clay beds z) mass of pumice

Last Answer : ANSWER: X -- FISSURED LIMESTONE

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

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

Last Answer : Slaked lime

Which one among the following is not a mixture? (1) Graphite (2) Glass (3) Brass (4) Steel

Description : Which one among the following is not a mixture? (1) Graphite (2) Glass (3) Brass (4) Steel

Last Answer : (1) Graphite Explanation: Graphite is a naturally-occurring form of crystalline carbon. It is a native element mineral found in metamorphic and igneous rocks. Graphite is a mineral of extremes.

Carbon and hydrogen are normally detected by strongly heating the organic compound with

Description : Carbon and hydrogen are normally detected by strongly heating the organic compound with

Last Answer : Carbon and hydrogen are normally detected by strongly heating the organic compound with A. FeO B. CaO C. CuO D. MnO

Quicklime is an alkaline powder obtained by strongly heating which other material?

Description : Quicklime is an alkaline powder obtained by strongly heating which other material?

Last Answer : Chalk

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

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'.

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

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

A mixture of white powder and coke is heated in nitrogen gas very strongly. The product are

Description : A mixture of white powder and coke is heated in nitrogen gas very strongly. The product are

Last Answer : A mixture of white powder and coke is heated in nitrogen gas very strongly. The product are A. `Al_(2)O_(3),C_(2) ... D. `Al_(2)(CO_(3))_(3),N_(2)O`

Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : Rotary kilns are used in the (A) Calcination of limestone & dolomite (B) Cement manufacture (C) Both (A) and (B) (D) Neither (A) nor (B)

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

Persons working in cement plants and limestone quarries are more prone to disease like (A) Cancer (B) Asthma (C) Silicosis (D) Fluorosis (bone disease)

Description : Persons working in cement plants and limestone quarries are more prone to disease like (A) Cancer (B) Asthma (C) Silicosis (D) Fluorosis (bone disease)

Last Answer : (C) Silicosis

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

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

Fusion of bauxite and __________ produces high alumina cement. (A) Alum (B) Limestone (C) Coke (D) Quartz

Description : Fusion of bauxite and __________ produces high alumina cement. (A) Alum (B) Limestone (C) Coke (D) Quartz

Last Answer : (B) Limestone

Production of one ton of cement requires about __________ tons of limestone. (A) 0.6 (B) 1.2 (C) 2.2 (D) 3.8

Description : Production of one ton of cement requires about __________ tons of limestone. (A) 0.6 (B) 1.2 (C) 2.2 (D) 3.8

Last Answer : (B) 1.2

Maximum consumption of limestone is in the __________ industry. (A) Iron and steel (B) Cement (C) Glass (D) Fertiliser

Description : Maximum consumption of limestone is in the __________ industry. (A) Iron and steel (B) Cement (C) Glass (D) Fertiliser

Last Answer : (D) Fertiliser

The commonly used material in the manufacture of cement is (A) Sand stone (B) Slate (C) Lime stone (D) Graphite

Description : The commonly used material in the manufacture of cement is (A) Sand stone (B) Slate (C) Lime stone (D) Graphite

Last Answer : (C) Lime stone

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

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

Heating element of an electric heater is made up of _____? A. Tungsten B. Graphite C. Chromium 26 D. Nichrome

Description : Heating element of an electric heater is made up of _____? A. Tungsten B. Graphite C. Chromium 26 D. Nichrome

Last Answer : ANSWER: D

Heating element of an electric heater is made up of------? A. Tungsten B. Graphite C. Chromium D. Nichrome (Answer)

Description : Heating element of an electric heater is made up of------? A. Tungsten B. Graphite C. Chromium D. Nichrome (Answer)

Last Answer : D. Nichrome (Answer)

Electric ovens using heating elements of _______________ can produce temperature upto 3000°C. (A) Nickel (B) Graphite (C) Chromium (D) Iron

Description : Electric ovens using heating elements of _______________ can produce temperature upto 3000°C. (A) Nickel (B) Graphite (C) Chromium (D) Iron

Last Answer : Ans: C Chromium has high melting point.

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

Is limestone a compoundelement or mixture?

Description : Is limestone a compoundelement or mixture?

Last Answer : What is the answer ?

Which of the following mineral is used in cement industry and plaster of paris? A. Marble B. China Clay C. Gypsum D. Fire Clay

Description : Which of the following mineral is used in cement industry and plaster of paris? A. Marble B. China Clay C. Gypsum D. Fire Clay

Last Answer : ANSWER: C

Which of the following mineral is used in cement industry and plaster of paris? A. Marble B. China Clay C. Gypsum D. Fire Clay

Description : Which of the following mineral is used in cement industry and plaster of paris? A. Marble B. China Clay C. Gypsum D. Fire Clay

Last Answer : ANSWER: C