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Answers
Answer:
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Explanation:
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Answer:
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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 a fixed composition
(a) (i) , (ii) and (iii)
(b) (i) , (ii) and (iv)
(c) (ii) , (iii) and (iv)
(d) (i) , (iii) and (iv) ✔️
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ANSWER:
(d) (i) , (iii) and (iv)
P is a compound because it is formed due to combination of two chemical species X and Y .
X and Y are elements because they cannot be broken down into simpler substances by simple chemical reactions .
P has a fixed composition because it is formed due to combination of X and Y in fixed ratio .
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KNOWMORE:
Elements
A substance that cannot be broken down into simpler substances by chemical means. An element is composed of atoms that have the same atomic number .
Compounds
Compounds are chemical substances made up of two or more elements that are chemically bound together in a fixed ratio .