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Two Chemical Substances 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 - Science

MCQ

Two chemical substances 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  statements concerning X, Y and P are correct ?

  1. P is a compound
  2. X and Y are compounds
  3. X and Y are elements
  4. P has a fixed composition

Options

  • (i), (ii) and (iii)

  • (i), (ii) and (iv)

  • (ii), (iii) and (iv)

  • (i), (iii) and (iv)

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Solution

(i), (iii), and (iv)

Statements (i), (iii), and (iv) are correct. When two elements combine in a chemical reaction to give a product, the product is a compound. Composition of a compound has a fixed ratio and its properties are different from the elements participating in the reaction.

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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 2 Is Matter Around Us Pure
Multiple Choice Questions | Q 69 | Page 59
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