Which one of the following elements cannot displace hydrogen gas from a dilute acid ?

Which of the following metals cannot displace hydrogen from cold water ?

Which of the following metals can displace hydro-gen from dilute acids?

Silver metal can displace hydrogen gas from nitric acid.

Which of the following metals cannot displace hydrogen grom nonoxidizing acids ? Pb (ii) Sn (iii) Ni (iv) Zn .

Which of the following cannot displace hydrogen from steam ?

The element that does not displace hydrogen from dilute acids is