7th Class Science Winds, Storm and Cyclones Question Bank Natural Phenomena: Winds, Storm and Cyclones

  • question_answer
    DIRECTIONS: Read the passage given below and answer the questions that follow. Passage Take a soft plastic bottle and fill it with boiling hot water. Empty the bottle and cap it tightly. Place the water under running water. You will observe that the plastic bottle becomes distorted. Condensation of steam inside the bottle causes:

    A) increasing the amount of air inside the bottle

    B) decreasing the amount of air inside the bottle

    C) increasing the pressure of air inside the bottle

    D) None of the above

    Correct Answer: B

    Solution :

        decreasing the amount of air inside the bottle


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