Science, Chemistry

6th -

7thgrade

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Air around us

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Air is not present in

    Building

    Ocean

    Vaccum

    Caves

  • 2. Multiple Choice
    30 seconds
    1 pt

    Statement 1: Mountaineers carry oxygen cylinders with them while climbing high mountains.

    Statement 2: The percentage of oxygen in the air decrease with increasing altitude.

    Statement 1 is true and statement 2 is the correct explanation

    Both statements are true

    Statement 1 is true and statement 2 is false

    Statement 1 is false and statement 2 is true

  • 3. Multiple Choice
    30 seconds
    1 pt

    Statement 1: Police regulating traffic at a crowded crossing often wear a mask.

    Statement 2: Mask filters carbon dioxide and sends pure oxygen inside

    Both Statements are true

    Both statements are false

    Statement 1 is false and statement 2 is true

    Statement 1 is true and statement 2 is false

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