InterviewSolution
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The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume, If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume. (a) Name the substance. (i) X (ii) Y and (iii) Z. (b) What is the process of conversion of X into Y known as? (c) At which temperature X gets converted into Y? (d) What is the process of conversion of X into Z known as? (e) At which temperature X gets converted into Z? |
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Answer» The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume, If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume. (a) Name the substance. (i) X (ii) Y and (iii) Z. (b) What is the process of conversion of X into Y known as? (c) At which temperature X gets converted into Y? (d) What is the process of conversion of X into Z known as? (e) At which temperature X gets converted into Z? |
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