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Chemistry > Solutions > Melting Point of Ice

Melting Point of Ice

Melting Point of Ice

Ice is a substance that we use in our daily life. Also, we make ice in our refrigerator. But, we have seen the ice melting faster outside the cold environment of the refrigerator.  So, to know the melting point of ice we have to conduct an experiment to see that.

Definition of Ice

Ice is a solid substance that forms when water freezes. Also, the north and south pole of the earth is covered in ice. Furthermore, most of the mountain tops and hilly areas are also covered in ice.

Besides, there are different types of ice that form on the basis of purity or impurity of water. If the water is completely pure then the ice formed is completely transparent.

But if there are impurities in the water then the ice will be impure and its transparency decreases with the level of impurity.

melting point of ice

What Happens When The Ice Melts?

The melting point of a solid refers to the point at which the solid changes its form from solid to liquid. Also, it indicates the strength of the force of attraction between the particles of the solid.

When a solid is heated its molecules absorb the energy in the form of heat and their kinetic energy increases.

Furthermore, as the kinetic energy of the molecule increases their temperature also increases. As a result, the force of attraction between particles increases and the molecule become more and more separated.

Moreover, the potential energy of the particles increases and they leave their fixed place and start moving freely.

In addition, at a particular temperature, the separation of the molecule increases by a large amount and the solid start to convert in liquid.

Most noteworthy, that particular temperature of the substance is the melting point of the solid. Furthermore, the melting point of a pure substance is always higher than the impure substance even in small quantities.

Also, the pressure affects the melting point of a substance. In addition, when the pressure increase then the melting point decreases.

Melting Point of Ice Experiment

For knowing the melting point of ice we need ice cubes, beakers, thermometer, stirrer, clamp, stand, wire gauze, tripod stand, and a Bunsen burner.


Firstly, take some ice cubes in the beaker then place the beaker on the wire gauge. After that, keep the wire gauge over a tripod stand and insert a stirrer into it (beaker).

Furthermore, take the thermometer and hook it to the clamp in a way that the bulb remains in the middle of the ice cubes.

Moreover, heat the ice cubes by burning the Bunsen burner at a moderate temperature. Also, keep stirring the ice cubes continuously.

Furthermore, keep a constant temperature throughout the process.

After that, note the temperature (t1) when the ice starts to melt.

Moreover, continue the process until the ice completely melts into water and when it happens note the temperature (t2). Then apply the formula.

The melting point of ice = The average of two temperature

The melting point of ice = temperature when the ice starts melting (t1) + temperature at which ice completely melts (t2) ÷ 2

Melting point of ice = t1 + t2 ÷ 2

Melting point of ice = 0 + 0 ÷ 2 = 0

Which means the melting point of ice is 0 degrees centigrade.

Solved Question for You

Question: Which of the following is not a form of aircraft ice?

A. Snow

B. Rime ice

C. Mixed ice

D. Frost

Answer: The correct answer is option A. Because snow form by a natural process referred to as water cycle. Besides, Rime, Frost, and mixed are the form of aircraft ice.

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