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  1. Consider the following statements
    1. Baking soda is used in fire extinguishers
    2. Quick lime is used in the manufacture of glass
    3. Gypsom is used in manufacture of plaster of paris
    Which of the statements given above is/are correct ?
    1. 1 and 2
    2. 2 and 3
    3. 1 only
    4. 1, 2 and 3
Correct Option: D

NA



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