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Define melting and melting point of a substance?
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Define melting and melting point of a substance?
The boiling point of a substance is the temperature at which it changes state from liquid to gas throughout the bulk of the liquid. At the boiling point molecules anywhere in the liquid may be vaporized.
The temperature at which solid changes its state to liquid at an atmospheric pressure is called the melting point of that liquid. This is the point at which both liquid and solid phase exists at equilibrium. The melting point of the substance also varies with pressure and is specified at standard pressure.
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Define melting and melting point of a substance?
The process of change of solid to liquid is known as melting....the temperature at which a solid melts to liquid is known as melting point
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Define melting and melting point of a substance?
The process in which solid change into liquid is called melting. The temperature at which solid melts to become a liquid at atmospheric pressure is called melting point.
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Direction: Read the passage and answer the questions given, one mark questions.Anything that occupies some space, having mass, volume and can be felt by one or more out of five senses is called matter. The purest form of matter is called an element. An element is a substance which cannot be split up into two or more simpler substances by the usual chemical methods of applying heat, light or electric energy.A pure substance consists of a single type of particles. All the elements and compounds are pure substances because they contain only one kind of particles. eg. Hydrogen, Carbon, Oxygen, Carbon-monoxide, Copper, Gold, Silver. A pure substance has a fixed composition as well as a fixed boiling point and melting point. The presence of impurities generally increases the melting and boiling point of the pure substancesQ. The boiling point of pure water is 100oC. What likely be the effect on the boiling point of water if 150 gm NaCl is added to one litre water.

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Define melting and melting point of a substance?
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