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

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

1 Answer

Answer :

(B) Plaster of Paris
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Related questions

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

'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.

‘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

Salt cake is chemically represented by (A) Na2SO4(B) CaSO4. ½H2O(C) MgSO4(D) BaSO4

Description : Salt cake is chemically represented by (A) ) Na2SO4 (B) CaSO4 . ½H2O (C) MgSO4 (D) BaSO4

Last Answer : (A) Na2SO4

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

Calcium sulphate is known as-----? A. Epsom salt B. Gypsum salt (Answer) C. Blue vitriol D. Potash alum

Description : Calcium sulphate is known as-----? A. Epsom salt B. Gypsum salt (Answer) C. Blue vitriol D. Potash alum

Last Answer : B. Gypsum salt (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

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

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

Last Answer : Answer: Option B

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.  

Which one of the following salts does not contain water of crystallisation? (a) Blue vitriol (b) Baking soda (c) Washing soda (d) Gypsum

Description : Which one of the following salts does not contain water of crystallisation? (a) Blue vitriol (b) Baking soda (c) Washing soda (d) Gypsum

Last Answer : (b) Baking soda

Which one of the following salts does not con-tain water of crystallisation? a) Blue vitriol b) Baking soda c) Washing soda d) Gypsum

Description : Which one of the following salts does not con-tain water of crystallisation? a) Blue vitriol b) Baking soda c) Washing soda d) Gypsum

Last Answer : b) Baking soda

Which one of the following salts does not contain water of crystallisation? a) Soda Blue vitriol b) Baking soda c) Washing d) Gypsum

Description : Which one of the following salts does not contain water of crystallisation? a) Soda Blue vitriol b) Baking soda c) Washing d) Gypsum

Last Answer : b) Baking soda

Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable (C) Gypsum (CaSO4 . 2H2O) is obtained as a by-product in the wet process for manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Description : Pick out the wrong statement. (A) Dehydration of ammonium carbamate to produce urea is endothermic (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India ... manufacture of ortho-phosphoric acid (D) Phosphate rock when reacted with dilute H2SO4 produces superphosphate

Last Answer : (B) Direct use of liquid ammonia as a fertiliser for a tropical country like India is suitable

Gypsum (CaSO4 .2H2O) is used for the reclamation of

Description : Gypsum (CaSO4 .2H2O) is used for the reclamation of

Last Answer : Ans. Sodic/Alkaline soils

‘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.

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

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

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.

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

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

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.

What are the uses of Plaster of Paris?

Description : What are the uses of Plaster of Paris? 

Last Answer : The largest use of Plaster of Paris is in the building industry as well as plasters. It is used for immoblising the affected part of organ where there is a bone fracture or sprain. It is also employed in dentistry, in ornamental work and for making casts of statues and busts.

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 :  Plaster of Paris

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 :  Calcium sulphate

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 : hydration to form other hydrates

Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Description : Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Last Answer : (A) Copper sulphate

What is meant by blue-vitriol in chemistry ?

Description : What is meant by blue-vitriol in chemistry ?

Last Answer : Crystalline cupric sulfate is called blue-vitriol. Blue-vitriol is commonly known as mulberry. Its chemical signals are CuSO4, 5H2O .

What is the number of water molecules in blue vitriol ?

Description : What is the number of water molecules in blue vitriol ?

Last Answer : Number of water molecules in blue vitriol is 5

What is the composition of crystalline water in blue vitriol ?

Description : What is the composition of crystalline water in blue vitriol ?

Last Answer : : Blue vitriol's crystal water content is 36.06%.

The chemical name of Blue Vitriol?

Description : The chemical name of Blue Vitriol?

Last Answer : Copper sulphate