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Which of the following is not a physical...

Which of the following is not a physical change?

A

Boiling of water to give water vapours

B

Melting of ice to give water

C

Dissolution of salt in water

D

Combustion of Liquefied Petroleum Gas (LPG)

Text Solution

Verified by Experts

The correct Answer is:
D
LPG is a mixture of gases like propane `(C_(3)H_(8))` and butane `(C_(4)H_(10))` is liquefied form. These are chemical substance and undergo combustion upon heating with air or oxygen. It is therefore, a chemical change.
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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Multiple Choice Questions
  1. Which of the following is not a physical change?

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  2. The following reaction is an example of a 4NH(3)(g)+5O(2)(g)rarr4NO(g)...

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  3. Which of the following statements about the given reaction are correct...

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  4. Which of the following are exothermic processes? 1. Reaction of wate...

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  5. Three beakers labelled as A, B and C each containing 25 mL of water we...

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  6. A dilute ferrous sulphate solution was gradually added to the beaker c...

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  7. Which among the following is (are) double displacement reaction (s)? ...

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  8. Which among the following statement (s) is /are true? Exposure of silv...

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  9. Solid calcium oxide reacts vigorously with water to form calcium hydro...

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  10. Barium chloride on reacting with ammonium sulphate forms barium sulpha...

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  11. Electrolysis of water is a decomposition reaction. The mole ratio of h...

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  12. Which of the following is (are) an endothermic process(es)? (i) Dil...

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  13. In the double displacement reaction between aqueous potassium iodide a...

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  14. Which of the following gases can be used for storage of fresh sample o...

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  15. The following reaction is used for the preparation of oxygen gas in th...

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  16. Which one of the following processes involve chemical reactions?

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  17. In which of the following chemical equations, the abbreviations repres...

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  18. Which of the following is a displacement reaction ?

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