ChemistryIdentify the incorrect statements:a. There is no oxygen in the mountains.b. Oxygen is needed to burn coal.c. During a fire accident, blankets can be put on the burning surface to stop the fire.d. Oxygen is needed by plants to prepare their food.

Identify the incorrect statements:

a. There is no oxygen in the mountains.

b. Oxygen is needed to burn coal.

c. During a fire accident, blankets can be put on the burning surface to stop the fire.

d. Oxygen is needed by plants to prepare their food.

  1. A

    a and c

  2. B

    b and d

  3. C

    a and d

  4. D

    b and c

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    Solution:

    Statement a is incorrect as there is oxygen gas present in the mountains.

    Statement d is incorrect as plants need carbon dioxide during photosynthesis to produce oxygen.

     

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