change in the temperature of matter anyone example
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★Change in temperature★
Temperature. In everyday terms, temperature is a measure of the "hotness" or "coldness" of a substance. More technically, temperature indicates the direction in which energy flows (as heat) when two objects are in thermal contact: energy flows as heat from a high temperature region to a low temperature region.
E.g.
- evolution of gas= reaction between zinc and dilute sulphuric acid.
- change in color = reaction between citric acid and purple color potassium permanganate.
- change in temperature = reaction between zinc granules and dilute hydrochloric acid.
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