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

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

Why does the temperature of a substance remain constant during its melting point or boiling point? -Maths 9th

Description : Why does the temperature of a substance remain constant during its melting point or boiling point? -Maths 9th

Last Answer : The extra heat supplied to the boiling water is used in the vaporization of a liquid, which is known as the latent heat of vaporization. That's why the temperature of a substance remains constant during its melting or boiling.

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Description : Why does the temperature of a substance remain constant during its melting point or boiling point? -Maths 9th

Last Answer : The temperature of a substance remains constant during melting and boiling points till the completion of melting and boiling. It is because substance makes use of latent heat of fusion ... between particles of liquid to change into vapours during boiling. Therefore, temperature remains constant.

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Description : The point at which the solid, liquid and gaseous forms of a substance co-exist is called its (a) boiling point (b) melting point (c) triple point (d) freezing point

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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.

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Last Answer : Melting point refers to the process of melting a solid into a liquid at a certain temperature. Boiling point is the temperature at which a liquid evaporates. Therefore , the temperature at which a liquid begins to evaporate is called the 'boiling point' of that substance.

Explain melting point and boiling point with examples.

Description : Explain melting point and boiling point with examples.

Last Answer : The temperature at which an object begins to boil is called the boiling point of that object. For example, water starts boiling at a temperature of 100 degrees. So the boiling point of water is 100 ... water starts melting at a temperature of 0 degrees. So the melting point of water is 0 degrees.

How many degrees are there between the melting point of ice and boiling point of water?

Description : How many degrees are there between the melting point of ice and boiling point of water?

Last Answer : On the centigrade scale there is 100.On the fahrenheit scale there is 180.

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Description : What is nitrogen melting and boiling point?

Last Answer : Melting point −209.86°C; boiling point −195.8°C

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Description : At hill stations, the boiling point of water will be – (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice

Last Answer : (2) less than that at sea level Explanation: The boiling point is the temperature at which the vapour pressure of the liquid equals the environmental pressure surrounding the liquid. Atmospheric pressure ... The atmospheric pressure at high altitudes like hill station is less than at the sea level.

(a) What effect the branching of an alkane has on its melting point? (L-III) (b) Which of the following has highest boiling point?(L-III) (1) 2-methyl pentane. (2) 2, 3-diethyl butane. (3) 2, 2- dimethyl butane.

Description : (a) What effect the branching of an alkane has on its melting point? (L-III) (b) Which of the following has highest boiling point?(L-III) (1) 2-methyl pentane. (2) 2, 3-diethyl butane. (3) 2, 2- dimethyl butane.

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Description : The branching of alkanes that produces symmetrical structures : (a) raises the boiling point ; raises the melting point (b) raises the boiling point ; lowers the melting point (c) lowers the boiling point ; lowers the melting point (d) lowers the boiling point ; raises the melting point

Last Answer : raises the boiling point ; raises the melting point

As the molecular weight of alkanes increases, how do the boiling point and melting point change? (a) boiling point increases ; melting point increases. (b) boiling point increases ; melting point increases. (c) boiling point increases ; melting point decreases (d) boiling point increases ; melting point increases sequentially for alkanes over four carbons.

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Last Answer : (A) Melting point of ice

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Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 (A) °C (B) °F (C) °K (D) °R

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At hill stations, the boiling point of water will be (1) same as at sea level (2) less than that at sea level (3) more than that at sea level (4) equal to the melting point of ice

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If a substance is a solid at 0 degrees celcius can it have a melting point at 45 degrees celcius?

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What are the changes in the kinetic energy as a substance is heated to its melting point?

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How many of the following properties increase down the group for nitrogen family (a) Atomic size (b) Acidic character of oxides (c) Boiling point of h

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Description : How many of the following properties of noble gases would increase from Helium to Radon? Boiling point, First lonisation enthalpy, Atomic volume, Abun

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