Is melting salt a chemical reaction or physical reaction?

Is melting salt a chemical reaction or physical reaction?
by

1 Answer

Answer :

Need answer
by
selected by

Related questions

Is Snow melting is a physical or chemical?

Description : Is Snow melting is a physical or chemical?

Last Answer : It is a Physical Change. Melting it does not change whatcomponents/elements are found in snow. It is just a phase changefrom solid to liquid.

Why is melting wax a physical properties of flammability is a chemical property?

Description : Why is melting wax a physical properties of flammability is a chemical property?

Last Answer : Melting is a physical property because the chemical composition remain unchanged.Flammability is a chemical property because involve a combustion reaction.

Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?

Description : Is Melting coin being heated and turn black this is used as a test for metal a chemical or a physical change?

Last Answer : hg

When sugar canalize on being heated above its melting point is physical change or chemical?

Description : When sugar canalize on being heated above its melting point is physical change or chemical?

Last Answer : Melting is a physical process.

Is butter melting on warm toast physical or chemical change?

Description : Is butter melting on warm toast physical or chemical change?

Last Answer : What is the answer ?

Is ice cream melting a chemical change or a physical change?

Description : Is ice cream melting a chemical change or a physical change?

Last Answer : Melting ice cream is a physical change because it has the ability to go back to it's frozen form and be ice cream again. The chemical identity of it isn't changed.

For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties

Description : For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties

Last Answer : ANSWER: W -- PHYSICAL PROPERTIES

Melting of ice exemplifies a/an (A) Adiabatic process (B) Endothermic reaction (C) Exothermic reaction (D) Process involving a chemical reaction

Description : Melting of ice exemplifies a/an (A) Adiabatic process (B) Endothermic reaction (C) Exothermic reaction (D) Process involving a chemical reaction

Last Answer : (B) Endothermic reaction

When Salt dissolving water physical change or chemical change?

Description : When Salt dissolving water physical change or chemical change?

Last Answer : It is a physical change because the chemical composition of saltand water do not change. You can separate the salt and waterphysically by allowing the water to evaporate, which leaves thesalt.

When Salt dissolving water physical change or chemical change?

Description : When Salt dissolving water physical change or chemical change?

Last Answer : It is a physical change because the chemical composition of saltand water do not change. You can separate the salt and waterphysically by allowing the water to evaporate, which leaves thesalt.

Pick out the wrong statement. (A) Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators (B) Gun powder comprises of 75% salt petre, 15% charcoal and 10% sulphur (C) Lead azide is a popular military explosive (D) TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Description : Pick out the wrong statement. (A) Low intensity explosives are also called propellants, whereas high intensity explosive are called detonators (B) Gun powder comprises of 75% salt petre, 15% charcoal ... TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Last Answer : (D) TNT is a hygroscopic explosive having very high melting point and is non-toxic to human being

Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Description : Which of the following chemical reactions does not lead to formation of a salt? w) Reaction of salts with acids. x) The reaction of base anhydrides with acid anhydrides. y) Action of water on oxides of nonmetals. z) Reaction of acid with base.

Last Answer : ANSWER: Y -- ACTION OF WATER ON OXIDES OF NONMETALS. (If water reacts with oxides of nonmetals, an acid is formed.)

How could you use the physical properties of melting and boiling point to identify a substance?

Description : How could you use the physical properties of melting and boiling point to identify a substance?

Last Answer : The melting point and boiling point of a pure substance are veryspecific numbers; knowing these allows you to narrow down thepossible identity of the substance.

Physical change of a solid to a liquid at the melting point?

Description : Physical change of a solid to a liquid at the melting point?

Last Answer : This is the transformation of a solid in a liquid (melting).

Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point(b) solubility in common solvents(c) Rotation of plane-polarized light(d) Infrared spectrum

Description : Consider (R)- and (S)-2-butanol. Which physical property distinguishes the two compounds? (a) melting point (b) solubility in common solvents (c) Rotation of plane-polarized light (d) Infrared spectrum

Last Answer : Rotation of plane-polarized light

One of the most common physical tests performed on fats is a determination of the ____ point. a. boiling c. melting b. cooling d. separating

Description : One of the most common physical tests performed on fats is a determination of the ____ point. a. boiling c. melting b. cooling d. separating

Last Answer : c. melting

Wouldn't an electron exchange in a chemical reaction be considered a physical change?

Description : Wouldn't an electron exchange in a chemical reaction be considered a physical change?

Last Answer : Do your own homework. Seriously.

Is folding paper a chemical or physical reaction?

Description : Is folding paper a chemical or physical reaction?

Last Answer : This is a physical change.

Is folding paper a chemical or physical reaction?

Description : Is folding paper a chemical or physical reaction?

Last Answer : This is a physical change.

A catalyst remains unchanged at the end of the reaction with regard to (a) Quality (b) Chemical composition (c) Physical state (d) Quantity and chemical composition

Description : A catalyst remains unchanged at the end of the reaction with regard to (a) Quality (b) Chemical composition (c) Physical state (d) Quantity and chemical composition

Last Answer : Ans:(d)

For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. (A) Physical (B) Chemical (C) Both (A) and (B) (D) Neither (A) nor (B)

Description : For a solid catalysed chemical reaction, the effectiveness of solid catalyst depends upon the __________ adsorption. (A) Physical (B) Chemical (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (B) Chemical

Refractory metals are known for which of the following properties: w) lack of chemical reactivity x) low density y) high melting point z) high thermal conductivity

Description : Refractory metals are known for which of the following properties: w) lack of chemical reactivity x) low density y) high melting point z) high thermal conductivity

Last Answer : ANSWER: Y -- HIGH MELTING POINT

Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Description : Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

Last Answer : B) Has low melting point

Hydrogenation of edible vegetable oils (A) Is an exothermic reaction (B) Increases their melting point (C) Is done in presence of nickel catalyst (D) All (A), (B) and (C)

Description : Hydrogenation of edible vegetable oils (A) Is an exothermic reaction (B) Increases their melting point (C) Is done in presence of nickel catalyst (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Pick out the wrong statement. (A) Enthalpies of all elements in their standard states are assumed to be zero (B) Combustion reactions are never endothermic in nature (C) Heat of reaction at constant volume is equal to the change in internal energy (D) Clausius-Clapeyron equation is not applicable to melting process

Description : Pick out the wrong statement. (A) Enthalpies of all elements in their standard states are assumed to be zero (B) Combustion reactions are never endothermic in nature (C) Heat of reaction ... to the change in internal energy (D) Clausius-Clapeyron equation is not applicable to melting process

Last Answer : (D) Clausius-Clapeyron equation is not applicable to melting process

Is there any physical harm in eating extra salt with rice ?

Description : Is there any physical harm in eating extra salt with rice ?

Last Answer : Eating too much salt with any food can be harmful. Excess salt should be stopped if you have blood pressure or kidney problems.

Is a physical change A.Forming a mixture B.Burning wood C.Food turning into waste in the intestines D.Turning solid sodium and chlorine gas into salt?

Description : Is a physical change A.Forming a mixture B.Burning wood C.Food turning into waste in the intestines D.Turning solid sodium and chlorine gas into salt?

Last Answer : What is the answer ?

What is the chemical compound in ice cream salt?

Description : What is the chemical compound in ice cream salt?

Last Answer : It is NaCl, but it’s inedible because it’s not processed under controlled hygienic conditions. It would be more expensive for Morton to produce this salt in facilities that meet health department standards for food production. The alternative is to state that it is inedible.

Write the chemical name and chemical formula of the salt used to remove permanent hardness of water. -Science

Description : Write the chemical name and chemical formula of the salt used to remove permanent hardness of water. -Science

Last Answer : Sodium carbonate, Na2CO3, is also known as washing soda. It can remove temporary and permanent hardness from water.

What is the chemical name of common salt? -General Knowledge

Description : What is the chemical name of common salt? -General Knowledge

Last Answer : Sodium Chloride is the Chemical name of common salt Formula: NaCl

What are the chemical signals of Gluber Salt ?

Description : What are the chemical signals of Gluber Salt ?

Last Answer : : Chemical Signal of Glover Salt 10H2O

What is the Chemical Name of Testing Salt ?

Description : What is the Chemical Name of Testing Salt ?

Last Answer : The chemical name of testing salt is sodium mono glutamate.

What is the chemical name of table salt ?

Last Answer : Edible salt chemical sodium chloride I

What are the chemical signals of table salt ?

Last Answer : Chemical signals of table salt NaCl

What is the scientific or chemical formula of table salt?

Description : What is the scientific or chemical formula of table salt?

Last Answer : Answer: Sodium Chloride or NaCl

What is the Chemical formula for Epsom salt ?

Description : What is the Chemical formula for Epsom salt ?

Last Answer : MgSO4. 7H20

Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum

Description : Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum

Last Answer : ANSWER: C

Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum

Description : Which of the following mineral is used for food and in chemical industries? A. Fire Clay B. Chromite C. Rock Salt D. Gypsum

Last Answer : ANSWER: C

The chemical name of table salt is (a) Potassium chloride (b) Sodium chloride (c) Calcium chloride (d) Sodium hyposulphate

Description : The chemical name of table salt is (a) Potassium chloride (b) Sodium chloride (c) Calcium chloride (d) Sodium hyposulphate

Last Answer : Ans:(b)

(4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate solution. Evaporation of the water leaves the crystalline nitrate salt. At temperatures of 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Description : (4) Decomposition of manganese dioxide Explanation: One of the two chemical methods starts from natural manganese dioxide and converts it using dinitrogen tetroxide and water to manganese nitrate ... 400°C, the salt decomposes, releasing N2O4 and leaving a residue of purified manganese dioxide.

Last Answer : The mass number of a nucleus is - (1) always less than its atomic number (2) the sum of the number of protons and neutrons present in the nucleus (3) always more than the atomic weight (4) a fraction

The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Description : The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Last Answer : (1) Sodium chloride Explanation: Sodium chloride is also known common salt is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

Chemical name of common salt is – (1) Sodium Chloride (2) Sodium Bicarbonate (3) Sodium (4) Sodium Oxide

Description : Chemical name of common salt is – (1) Sodium Chloride (2) Sodium Bicarbonate (3) Sodium (4) Sodium Oxide

Last Answer : (1) Sodium Chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the chemical formula NaCl, representing equal proportions of sodium and chlorine. In the form of table salt, it is commonly used as a condiment and food preservative.

The chemical name of 'Common salt' is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Description : The chemical name of 'Common salt' is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Last Answer : (1) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... each ion is surrounded by six ions of, the opposite charge as expected on electrostatic grounds.

Soap is ---? A. Acid B. Chemical C. Powder D. Salt (Answer)

Description : Soap is ---? A. Acid B. Chemical C. Powder D. Salt (Answer)

Last Answer : D. Salt (Answer)

Chemical formula of 'salt cake' is (A) Na2SO4 (B) CaSO4 (C) MgSO4 (D) BaSO4

Description : Chemical formula of 'salt cake' is (A) Na2SO4 (B) CaSO4 (C) MgSO4 (D) BaSO4

Last Answer : (A) Na2SO4

For sanitary pipes and chemical stonewares, (A) Salt glazing is used (B) Lead glazing is used (C) Opaque glazing is used (D) None of thes

Description : For sanitary pipes and chemical stonewares, (A) Salt glazing is used (B) Lead glazing is used (C) Opaque glazing is used (D) None of these

Last Answer : Answer: Option A

Chemical name of Table salt is

Description : Chemical name of Table salt is

Last Answer : Sodium Chloride

Chemical name of common salt is (1) Sodium Chloride (2) Sodium Bicarbonate (3) Sodium (4) Sodium Oxide

Description : Chemical name of common salt is (1) Sodium Chloride (2) Sodium Bicarbonate (3) Sodium (4) Sodium Oxide

Last Answer : Sodium Chloride

The chemical name of ‘Common salt’ is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Description : The chemical name of ‘Common salt’ is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Last Answer : Sodium chloride