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Q. Which type of fire extinguisher is used for petroleum fire ?
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Q. Which of the following solutions will be more Acidic?
Q. One of the following is used to dissolve noble metals. That is
Q. Philosopher's wool is chemically
Q. Which of the following statements is CORRECT?
Q. The number of waves in n x 10th Bohr's orbit are
Q. The electrochemical cell stops working after some time because ________
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