6. A substance X is such a state that can flow easily andattains the shape of container in which it is kept. On addingcopper sulphate solution in it, the solution turns into cyan(blue) colour. If the substance X is cooled suddenly, it getsconverted into substance Y which as definite volume andshape. On heating the substance Y more, it gets convertedinto substance z. The substance Z does not have difinitevolume or shape. Answer the following questions based onthis information:(1) Give the names of substances X, Y and Z.(2) State the name of process of conversion of substanceX into substance Y and the necessary temperature.
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X- water
Y-ice
Z-water vapour
Xto Y is called condensation or freezing which happens at 0degree celcius or 273 kelvin
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