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CBSE Notes 2011-2012

Which of the following metals liberate hydrogen with 5% HNO3? (i) Cu (ii) Zn (iii) Mn (iv) Mg

Multiple choice question

Which of the following metals liberate hydrogen with 5% HNO3?
(i) Cu (ii) Zn
(iii) Mn (iv) Mg

unknown

(i) and (ii)

unknown

(ii) and (iii)

unknown

(iii) and (iv)

unknown

(i) and (iv)