IF WE HAVE TWO SUBESTANCE(A/B)THE MELTING POINT A IS 125 AND FOR B THE M.P IS UNKNOWN,HOW COULD KNOW WE WITH HERE A/B ARE THE SAME SUB.OR DIFFRENT
Take a mixed melting point. If A and B are in fact the same, the mixed melting point will be the same as the melting point of either.
To determine whether substances A and B are the same or different based on their melting points, you can try the following steps:
1. Research: Begin by researching the melting points of known substances. This will give you a rough idea of typical melting points for different types of compounds. For example, you might find that most organic compounds have melting points between 50 to 300 degrees Celsius, while inorganic salts have much higher melting points.
2. Analyze the Similarity: Compare the melting point of substance A (125 degrees Celsius) to the typical melting points you found during your research. If substance A falls within the range of typical melting points for a specific class of compounds, it suggests that substance A might belong to that class.
3. Perform Additional Tests: To confirm your initial analysis, you may need to conduct additional tests. One common method is to mix a small amount of substances A and B together, then observe their melting point. If the mixture has a lower, higher, or similar melting point to substance A alone, it can provide further evidence of their relationship.
4. Consult Reliable Sources: If you're working in a laboratory or educational setting, it's recommended to consult reliable sources such as chemical databases, textbooks, or scientific literature for specific information about the substances you are dealing with. These sources often provide comprehensive data on the melting points of various compounds.
5. Seek Expert Opinion: When in doubt, seek the help of an expert in the field of chemistry. They can offer guidance and assistance in determining whether substances A and B are the same or different based on their melting points.
Remember, melting point is just one property used in compound identification, and additional tests and analyses may be required for accurate identification.