Two chemical species X and Y combine together to form a product P which contains both X and Y i. e. 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?
1)P is a compound
2)X and Y are compounds
3)X and Y are elements
4) IV. P has a fixed point
a) 1),2)&3) b)1),2)&4) c) 2),3)&4 d) 1),3)&4)
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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) ✔️
(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 .
- 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 .
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Answer:
(i) X and Y are elements
(||) P has a fixed composition
(|||) P is a compound
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