Plaster of Paris is obtained by calcining (A) Bauxite (B) Gypsum (C) Lime stone (D) None of these

Plaster of Paris is obtained by calcining
(A) Bauxite
(B) Gypsum
(C) Lime stone
(D) None of these
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Description : Calcination of gypsum produces (A) Plaster of Paris (B) Salt cake (C) Nitre cake (D) Lime

Last Answer : (A) Plaster of Paris

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

'Plaster of Paris' is made by partial dehydration of – (1) epsom salt (2) gypsum salt (3) blue vitriol (4) green vitriol

Description : 'Plaster of Paris' is made by partial dehydration of – (1) epsom salt (2) gypsum salt (3) blue vitriol (4) green vitriol

Last Answer : (2) gypsum salt Explanation: Plaster is a building material used for coating walls and ceilings. Plaster starts as a dry powder similar to mortar or cement and like those materials it is ... sandpaper. These characteristics make plaster suitable for a finishing, rather than a load-bearing material.

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.

Gypsum is heated at........temperature to form plaster of paris.(a) 110degree Celsius (b) 120degree Celsius (c) 100degree Celsius (d) 101degree Celsius

Description : Gypsum is heated at........temperature to form plaster of paris.(a) 110degree Celsius (b) 120degree Celsius (c) 100degree Celsius (d) 101degree Celsius

Last Answer : (c) 100degree Celsius

At what temperature is gypsum heated to form Plaster of Paris?a) 90°C b) 100°C c) 110°C d) 120°C

Description : At what temperature is gypsum heated to form Plaster of Paris?a) 90°C b) 100°C c) 110°C d) 120°C

Last Answer : b) 100°C

Plaster of Paris is (A) CaSO4 .½H2O (B) Used for setting of broken bones (C) Both (A) and (B) (D) Same as gypsum

Description : Plaster of Paris is (A) CaSO4 .½H2O (B) Used for setting of broken bones (C) Both (A) and (B) (D) Same as gypsum

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

Heating of __________ to 120°C, produces plaster of paris. (A) Blue vitriol (B) Gypsum (C) Calcium silicate (D) Calcium sulphate

Description : Heating of __________ to 120°C, produces plaster of paris. (A) Blue vitriol (B) Gypsum (C) Calcium silicate (D) Calcium sulphate

Last Answer : (B) Gypsum

CaSO4 .½H2O is known as (A) Blue vitriol (B) Plaster of Paris (C) Gypsum (D) Zeolite

Description : CaSO4 .½H2O is known as (A) Blue vitriol (B) Plaster of Paris (C) Gypsum (D) Zeolite

Last Answer : (B) Plaster of Paris

How is Calcium Sulphate (Plaster of Paris), CaSO4·½ H2O (hemihydrate of calcium sulphate) prepared from gypsum?

Description : How is Calcium Sulphate (Plaster of Paris), CaSO4·½ H2O (hemihydrate of calcium sulphate) prepared from gypsum? 

Last Answer : It is obtained when gypsum, CaSO4·2H2O, is heated to 393 K.   Above 393 K, no water of crystallisation is left and anhydrous calcium sulphate, CaSO4 is formed. This is known as dead burnt plaster'. ... quantity of water it forms a plastic mass that gets into a hard solid in 5 to 15 minutes.  

‘Plaster of Paris’ is made by partial dehydration of (1) epsom salt(2) gypsum salt (3) blue vitriol (4) green vitriol

Description : ‘Plaster of Paris’ is made by partial dehydration of (1) epsom salt(2) gypsum salt (3) blue vitriol (4) green vitriol

Last Answer : gypsum salt

The property by virtue of which lime sets under water, is known as (A) Slacking (B) Setting (C) Hydraulicity (D) Calcining

Description : The property by virtue of which lime sets under water, is known as (A) Slacking (B) Setting (C) Hydraulicity (D) Calcining

Last Answer : Answer: Option C

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

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

Ordinary Portland cement is manufactured from (A) Lime stone and clay (B) Gypsum and lime (C) Pozzolana (D) Lime, pozzolana and clay

Description : Ordinary Portland cement is manufactured from (A) Lime stone and clay (B) Gypsum and lime (C) Pozzolana (D) Lime, pozzolana and clay

Last Answer : Answer: Option B

Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Description : Which of the following sedimentary rocks changes into quartzite by metamorphic action? (A) Sand stone (B) Lime stone (C) Shale (D) Gypsum

Last Answer : Answer: Option A

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

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

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

Last Answer : ANSWER: D

What is used in making of alloys? A. Lime-stone B. Chromium C. Granite D. Gypsum

Description : What is used in making of alloys? A. Lime-stone B. Chromium C. Granite D. Gypsum

Last Answer : ANSWER: B

What is used in making of alloys? A. Gypsum B. Granite C. Chromium (Answer) D. Lime-stone

Description : What is used in making of alloys? A. Gypsum B. Granite C. Chromium (Answer) D. Lime-stone

Last Answer : C. Chromium (Answer)

Quick lime (or caustic lime) (A) Is obtained by the calcination of pure lime stone (B) Has great affinity to moisture (C) Is amorphous (D) All the abov

Description : Quick lime (or caustic lime) (A) Is obtained by the calcination of pure lime stone (B) Has great affinity to moisture (C) Is amorphous (D) All the above

Last Answer : Answer: Option D

Hydraulic lime is obtained by (A) Burning of lime stone (B) Burning of kankar (C) Adding water to quick lime (D) Calcination of pure clay

Description : Hydraulic lime is obtained by (A) Burning of lime stone (B) Burning of kankar (C) Adding water to quick lime (D) Calcination of pure clay

Last Answer : Answer: Option B

Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above

Description : Pick up the correct statement from the following: (A) Quick lime is obtained by burning pure lime stone (B) Hydraulic lime is obtained by burning lime stone containing clay 5% to 30% (C) Poor lime is obtained by burning lime stone containing impurities more than 5% (D) All the above

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster (B) For very cold or very hot climate, a compact and closed plan should be provided (C) On the sea coast, an exposed and open house is generally preferred (D) All the above

Description : Pick up the correct statement from the following: (A) Lime mortar with cement in the ratio of in 10 is cheaper and better for outside plaster (B) For very cold or very hot climate, a compact and closed ... (C) On the sea coast, an exposed and open house is generally preferred (D) All the above

Last Answer : Answer: Option D

Which one of the following is an air binding material? (A) Gypsum (B) Acid-resistant cement (C) Quick lime (D) All of these

Description : Which one of the following is an air binding material? (A) Gypsum (B) Acid-resistant cement (C) Quick lime (D) All of these

Last Answer : Answer: Option D

Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Description : Rapid hardening cement attains early strength due to (A) Larger proportion of lime grounded finer than normal cement (B) Lesser proportion of lime grounded coarser than normal cement (C) Lesser proportion of lime grounded finer than normal cement (D) Excess percentage of gypsum

Last Answer : Answer: Option A

Write an equation to show the reaction between Plaster of Paris and water -SST 10th

Description : Write an equation to show the reaction between Plaster of Paris and water -SST 10th

Last Answer : ' solutions : -

Why is plaster of paris stored in a moisture proof container? -Chemistry-10

Description : Why is plaster of paris stored in a moisture proof container? -Chemistry-10

Last Answer : Plaster of Paris in contact with moisture (water) changes to solid hard mass, gypsum. Therefore, it gets wasted. Hence it should be stored in moisture proof containers.

Who makes plaster of Paris? -General Knowledge

Description : Who makes plaster of Paris? -General Knowledge

Last Answer : answer:

Is Plaster of Paris organic or in organic?

Description : Is Plaster of Paris organic or in organic?

Last Answer : Surely Inorganic ✌️

What is Plaster of Paris ?

Description : What is Plaster of Paris ?

Last Answer : : Calcium carbonate composed of two atoms of water is called plaster of Paris.

Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Description : Which of the following is used for wrapping of fractured bones? (1) White cement (2) White lead (3) Zinc oxide (4) Plaster of Paris

Last Answer : (4) Plaster of Paris Explanation: Plaster of Paris is a plaster made by calcining gypsum. It can be used to impregnate gauze bandages to make a sculpting material called modroc. It is used ... (and sometimes still is) used to make classic plaster orthopedic casts to protect limbs with broken bones.

The chemical name of "Plaster of Paris" commonly used for setting broken bones is – (1) Calcium nitrate (2) Calcium sulphate (3) Calcium carbonate (4) Calcium chloride

Description : The chemical name of "Plaster of Paris" commonly used for setting broken bones is – (1) Calcium nitrate (2) Calcium sulphate (3) Calcium carbonate (4) Calcium chloride

Last Answer : (2) Calcium sulphate Explanation: Plaster of Paris is the common name of Calcium Sulphate hemihydrate, with chemical formula: CaSO4.1/2H2O. Plaster of Paris is produced by heating gypsum to about 150°C.

‘Plaster of paris’ chemically known as (1) Sodium Aluminate (2) Calcium sulphate (3) Spdium bicarbonate (4) Sodium acetate

Description : ‘Plaster of paris’ chemically known as (1) Sodium Aluminate (2) Calcium sulphate (3) Spdium bicarbonate (4) Sodium acetate

Last Answer : (2) Calcium sulphate Explanation: Calcium sulphate is a calcium salt that is used for a variety of purposes. It exists in various forms and states of hydration.

Setting of plaster of paris involves – (1) dehydration process (2) hydration to form other hydrates (3) oxidation process (4) reduction process

Description : Setting of plaster of paris involves – (1) dehydration process (2) hydration to form other hydrates (3) oxidation process (4) reduction process

Last Answer : (2) hydration to form other hydrates Explanation: The setting of plaster of Paris takes place by hydration due to the formation of a solid crystalline hydrate and hardening of Plaster of Paris is ... . A slight expansion takes place in the process and heat is evolved. This process is exothermic.

What is formula of plaster of paris?

Description : What is formula of plaster of paris?

Last Answer : 2CaSO4.H2O

Which metal is found in ‘plaster of paris’?

Description : Which metal is found in ‘plaster of paris’?

Last Answer : Calcium

Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the (A) Electrical insulation purpose (B) Tanning of leather (C) Strengthening of plaster of Paris (D) Decorative laminates

Description : Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the (A) Electrical insulation purpose (B) Tanning of leather (C) Strengthening of plaster of Paris (D) Decorative laminates

Last Answer : (C) Strengthening of plaster of Paris

Plaster of Paris:

Description : Plaster of Paris:

Last Answer : Compound of Calcium. When hydrated, the form is rigid. Blessing for broken bones. Also used for architecture designing(Model designing), Sculpures and for filling purposes in different areas.

Explain the following: (i) Blood group (ii) Short circuit (iii) Short sight (iv) International date line (v) Plaster of Paris

Description : Explain the following: (i) Blood group (ii) Short circuit (iii) Short sight (iv) International date line (v) Plaster of Paris

Last Answer : Answers: (i) Blood group A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood ... calcium sulfate hemihydrate, nominally CaSO4 0.5H2O. It is created by heating gypsum to about 150 °C.

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)

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)

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

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

Setting of plaster of Paris is accompanied with (A) Hydration (B) Dehydration (C) Hydrolysis (D) Loss of CO2

Description : Setting of plaster of Paris is accompanied with (A) Hydration (B) Dehydration (C) Hydrolysis (D) Loss of CO2

Last Answer : (A) Hydration

CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia

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

Which mineral is used to make the Plaster of Paris?

Description : Which mineral is used to make the Plaster of Paris?

Last Answer : Gypsum.

Enlist constituents of Plaster of Paris and state the two uses of Plaster of Paris

Description : Enlist constituents of Plaster of Paris and state the two uses of Plaster of Paris

Last Answer : The constituents of POP are It consists of calcium sulphate. It is chemically CaSO4. 1/2 H2O. It is obtained by calcining gypsum at 120 deg. C. by removing ¾ of water of crystallization. ... Used by orthopedic surgeon for setting bones g) Used for wall plasters, wall boards, structural tiles.

Define plaster of Paris. State its uses.

Description : Define plaster of Paris. State its uses.

Last Answer : A process which involves exposing the gypsum to very high temperature to create calcium sulphate and then grinding it into a fine white powder is known as plaster of Paris. Uses of Plaster of Paris:- ... , wall boards, structural tiles, statue etc. It is used for metal filling etc.

State any two uses of "Plaster of Paris".

Description : State any two uses of "Plaster of Paris".

Last Answer : Uses of Plaster of Paris. 1. It is used as architectural decoration material for false ceiling, cornices and other decorative feature in interior finish. 2. It is used for making casts for statues. 3. It is used for wall plasters, wall board etc. 4. Ornamental work.