Question

the three substances A,B and C melts at 0degree celsius ,50 degree celsius and-150degree celsius respevtively and their boiling point are 100degree celsius ,200degree celsius .state the physical nature of A,BandC at room temperature​

Answer 1

Explanation:

A is liquid

because solid material of object A melts at 0degree Celsius and changes to liquid state at room temperature

B is solid

solid material of B it doesnot change to any because minimum room temperature is 28degrees to 30 degrees

C is gas

solid material of C first melts and changes to liquid state and then boil at 10 degree Celsius and then changes to gaseous state

Answer 2

Answer:

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