Two Substances P and Q when brought together, form substance R with The evolution of heat The properties of R are different from both P and Q. What is substance R?
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Explanation:
Substances P and Q are elements. When they combine, forma new substance called R which is a compound. Substance ′R′ is a compound as the properties of ′P′ and ′Q′ are not retained by ′R′ during its formation.
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Answer:
Since the substance R is a mixture of two substances, it may either be a mixture or a compoundIn a mixture the constituents retain their properties while in a compound, they lose their properties.Since the question mentions that R has different property from both P and Q, hence it must be a compound.
Explanation:
A compound is a thing that is composed of two or more separate elements.
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