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(d) Which of the following metal does not give hydrogen with metal(1) Fe (ii) Zn(iii) Mg (iv) Pb |
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Answer» Answer: (iv)Pb Explanation: lead is not used in the PREPARATION of hydrogen because lead REACTS with DILUTE sulphuric or hydrochloric acid and forms an insoluble coating of lead sulphate or lead chloride. |
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