Question

The substance x normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous coppee sulphate blue. When substance x is cooled excessively,it changes into a substance y which has a fixed shape as well as fixed volume. If, however, the substance x is heated strongly it changes into a substance z which has neither a fixed volume nor a fixed shape. a) name the substance i) x ii) y iii) z b) what is the process of conversion of x into y known as? c) at which temperature x get converted into y? d) what is the process of conversion x into z known as? e) at which temperature x gets converted into z?

Answer 1

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