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

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
by

1 Answer

Answer :

(C) Strengthening of plaster of Paris
by

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Last Answer : ' solutions : -

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Last Answer : answer:

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Last Answer : Surely Inorganic ✌️

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

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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.

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

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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.

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

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

Which mineral is used to make the Plaster of Paris?

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

Last Answer : Gypsum.

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