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The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), - Science

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Question

The gas we use in the kitchen is called liquefied petroleum gas (LPG). In the cylinder, it exists as a liquid. When it comes out from the cylinder it becomes a gas (Change − A), then it burns (Change − B). The following statements pertain to these changes. Choose the correct one.

Options

  • Process − A is a chemical change

  • Process − B is a chemical change.

  • Both processes A and B are chemical changes.

  • None of these processes is a chemical change

MCQ

Solution

Process − B is a chemical change.

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Chapter 6: Physical and Chemical Changes - Exercises [Page 66]

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NCERT Science [English] Class 7
Chapter 6 Physical and Chemical Changes
Exercises | Q 11 | Page 66

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