Select the incorrect statement from the following option.
A. Every pure solid crystalline substance has a characteristic and unique melting point
B. Impure sample of substance has different melting point
C. Two different pure substances have same melting points
D. Melting point serves as the criteria of purity of a solid substance
Answer:C
Select the incorrect statement from the following option.
A. Every pure solid crystalline substance has a characteristic and unique melting point B. Impure sample of substance has different melting point C. Two different pure substances have same melting points D. Melting point serves as the criteria of purity of a solid substance
Explanation: Two different pure substances have different melting points. All the