Solid , Changing of matter from liquid state to ……… state needs cooling., Compound , Mixing baking soda with vinegar forms a……which has new chemical properties , Condenses, On decreasing the temperature of water vapor, it, Hard , Steel is used in making hammers, because it is, Physical , Boiling of water to form water vapor is considered as a ……change..

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આપોઆપ સંગ્રહ થયેલ છે: ?