When molten sulphur is quenched, the following is formed.

When molten sulphur is quenched, the following is formed.
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When molten sulphur is quenched, the following is formed. A. Monoclinic sulphur B. Rhombic sulphur C. Crystex(plastic) D. `gamma`-sulphur
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5. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following: (A) Jet of water at high pressure (B) Blast of air (C) Mixture of water and air (D) Rain of molten lead

Description : 5. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following: (A) Jet of water at high pressure (B) Blast of air (C) Mixture of water and air (D) Rain of molten lead

Last Answer : Option D

How arc is quenched in Generator Field Breaker?

Description : How arc is quenched in Generator Field Breaker?

Last Answer : By magnetic blow out coils, arc is elongated very fastly, so resistance of arc increases, soon becoming unstable and quenched by arc chutes. 

A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C. (A) 370 (B) 340 (C) 320 (D) 300

Description : A solid aluminium ball, when quenched in a water bath maintained at 40°C, cools down from 550°C to 450°C in 20 seconds. The expected temperature of the ball after next 20 seconds may be about __________ °C. (A) 370 (B) 340 (C) 320 (D) 300

Last Answer : (A) 370

Wrought metal is to be, A. Marble B. Quenched C. Subjected /undergone/ to cold treatment during processing (annealed)

Description : Wrought metal is to be, A. Marble B. Quenched C. Subjected /undergone/ to cold treatment during processing (annealed)

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During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as (A) It is very corrosive at elevated temperature (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced) (C) It decomposes on further increasing the temperature (D) None of these

Description : During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as (A) It is very corrosive at elevated temperature (B) Its viscosity is not reduced on ... be further reduced) (C) It decomposes on further increasing the temperature (D) None of these

Last Answer : (B) Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)

Sodium sulphur battery is a type of molten-salt battery constructed from _____ sodium and sulphur. • Solid • Liquid • Plasma • Gases

Description : Sodium sulphur battery is a type of molten-salt battery constructed from _____ sodium and sulphur. • Solid • Liquid • Plasma • Gases

Last Answer : • Liquid

Rocks formed from molten magma solidification at earth surface is — rock a. Igneous b. Sedimentary c. Metamorphic d. None of these

Description : Rocks formed from molten magma solidification at earth surface is — rock a. Igneous b. Sedimentary c. Metamorphic d. None of these

Last Answer : a. Igneous

The rocks formed from molten magma, are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of t

Description : The rocks formed from molten magma, are called (A) Sedimentary rocks (B) Igneous rocks (C) Metamorphic rocks (D) None of these

Last Answer : Answer: Option B

The rock formed from the solidification of molten matter (magma) is called: (A) Sedimentary rock (B) Metamorphic rock (C) Igneous rock (D) none of the above

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The Rocks formed from molten lava are called a) Sedimentary rocks b) Igneous rocks* c) Metamorphic rock d) Plutonic rock

Description : The Rocks formed from molten lava are called a) Sedimentary rocks b) Igneous rocks* c) Metamorphic rock d) Plutonic rock

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When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Description : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Last Answer : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is A. ... sodium sulphate C. sodium persulphate D. sodium thiosulphate

When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Description : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Last Answer : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is A. ... sodium sulphate C. sodium persulphate D. sodium thiosulphate

When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Description : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is

Last Answer : When sulphur is boiled with `Na_(2)SO_(3)` solution, the compound formed is A. `Na_(2)SO_(4)` B. `Na_(2)S_(2) ... 2)S_(2)O_(6)` D. `Na_(2)S_(2)O_(3)`

When cobalt trifluoride is treated with sulphur, the compound formed is

Description : When cobalt trifluoride is treated with sulphur, the compound formed is

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When sulphur is treated with excess of Fluorine, the compound formed is

Description : When sulphur is treated with excess of Fluorine, the compound formed is

Last Answer : When sulphur is treated with excess of Fluorine, the compound formed is A. `SF_(4)` B. `S_(2)F_(2)` C. `SF_(6)` D. `S_(2)F_(6)`

The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Description : The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Last Answer : Answer : A

Chemically, dry ice is (a) ice formed from pure distilled water (b) solid carbon dioxide (c) solid sulphur dioxide (d) ice kept at sub-zero temperatures

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What type of colloidal sols are formed in the following ? (i) Sulphur vapours are passed through cold water. (ii) White of an egg is mixed with water. (iii) Concentration of soap solution is increased.

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Pick out the wrong statement. (A) Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98% (B) The chemical formula of oleum is H2S2O7 , which is formed by saturating sulphuric acid with sulphur trioxide (C) Vitriol oil is nothing but technical sulphuric acid (D) Decomposition of sulphuric acid on heating does not start before its boiling

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How many of following are correctly matched for electrolystic reducing in molten state.

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Number of metals among following which are obatained by electromentallurgy in molten state are Li, Ba, Na,Al, Fe, Cu, Pb, Sn, Ag, Zn, Ca, Mg.

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

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In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

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Why does hot water and molten rock tend to rise?

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What happens when molten igneous rock reaches the ocean?

Description : What happens when molten igneous rock reaches the ocean?

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Is Steel rod Be heated into a molten metal is example of a phase change?

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What is a molten rock beneath the earth's crust?

Description : What is a molten rock beneath the earth's crust?

Last Answer : Feel Free to Answer

Is the name given to molten rock below the Earth's surface.?

Description : Is the name given to molten rock below the Earth's surface.?

Last Answer : Magma. Magma rises towards the surface when it's less dense thanrock around it. Otherwise, it collects in magma chambers and cools,forming igneous rock.

Why can sodium fluoride conduct electricity when it is molten but not solid?

Description : Why can sodium fluoride conduct electricity when it is molten but not solid?

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Is molten material meited rock found on earth surface?

Description : Is molten material meited rock found on earth surface?

Last Answer : Need answer

What happen to the rock that came in contact with the molten materials of the intruded dike?

Description : What happen to the rock that came in contact with the molten materials of the intruded dike?

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What do we call molten hot liquid rock while it is still below the Earth's surface?

Description : What do we call molten hot liquid rock while it is still below the Earth's surface?

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Most covalent compounds (a) Behave like electrolytes in the molten state (b) Have high melting and boiling points (c) Are hard substances because of strong covalent bonds (d) Are more soluble in non-polar solvents than in polar solvents

Description : Most covalent compounds (a) Behave like electrolytes in the molten state (b) Have high melting and boiling points (c) Are hard substances because of strong covalent bonds (d) Are more soluble in non-polar solvents than in polar solvents

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Aluminium is extracted from bauxite (a) By reduction with carbon (b) By reduction with Mg (c) By reduction with CO (d) By electrolysis in molten cryolite

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The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite

Description : The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous rocks Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava).

The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite

Last Answer : (1) Igneous Rock Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and ... Earth's crust. However, some are also formed on the surface as a result of volcanic activity.

Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma

Description : Molten rock below the surface of the earth is called – (1) Basalt (2) Laccolith (3) Lava (4) Magma

Last Answer : (4) Magma Explanation: Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth. When magma erupts from a volcano or other vent, the ... . When lava cools on the Earth's surface and forms a solid structure, it is called igneous rock.

Slag is a name given for - (1) molten iron (2) molten sand (3) molten alumina (4) molten calcium silicate

Description : Slag is a name given for - (1) molten iron (2) molten sand (3) molten alumina (4) molten calcium silicate

Last Answer : (3) molten alumina Explanation: Slag is a partially vitreous byproduct of the process of smelting ore, which separates the desired metal fraction from the unwanted fraction. A good example is steelmaking ... separated from the metal, and assist in the removal of sulfur and phosphorus from the steel.

The oldest rocks in the earth's crust were once molten; and came from deep in- side the earth. The molten rock; called magma; spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called?

Description : The oldest rocks in the earth's crust were once molten; and came from deep in- side the earth. The molten rock; called magma; spewed out in volcanic eruptions during the earth;s early life and solidified into hard rock's called?

Last Answer : igneous rocks