Question

Two chemical species X and Y combine together to form a product P which
contains both X and Y
X + Y -- P
X and Y cannot be broken down into simpler substances by simple chemical
reactions. Which of the following concerning the species X, Y and P are
correct?
i) P is a compound
ii) X and Y are compounds
iii) X and Y are elements
iv) P has fixed composition
a) i) , ii) and iii)
b) i) , ii) and iv)
c) ii) , iii) and iv)
d) i) , iii) and iv

Answer 1

Your answer is d) i),iii), and iv)
X and Y are elements as they cannot be broken down into simpler chemical substances by simple chemical reactions.
When two elements combine, they form Compound.



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