Fill ups
Out of Al,Zn and Ag only…………..cannot displace hydrogen form dil. HCl.

Out of Al,Zn and Ag, only………………cannot diplace hydrogen from dil. HCl.

Which of the following metals will displace hydrogen from dilute hydrochloric acid? Ag Cu Al pt

What is colour of gas evolved when sodium hydrogen carbonate reacts with dil. HCl?

Fill ups Zinc displaces copper form a solution of Cu^(2+) but ………….does not displace Zn.

A metal occupying higher position in the activity series…………….displace other metals lying below it form their solution.(can/cannot)

Which of the following statements are correct: Aluminium can displace Cu from CuSO_4 solution Fe from FeSO_4 solution Zn from ZnSO_4 solution Al from Al_2(SO_4)_3 solution

Which of the following metals will displace copper form CuSO_4 solution? Al, Ni, Ag, Hg, Zn

An element 'A' reacts with oxygen to form an oxide of the formula A_2O which dissolves in dil. HCl. The oxide formed turns red litmus paper blue. Write the formula of A_2O and its reaction with dil. HCl.

In qualitative analysis when H_2S is passed through an aqueous solution of salt acidified with dil. HCl, a black precipitate is obtained. On boiling the precipitate with dil. HNO_3 , it forms a solution of blue colour. Addition of excess of aqueous solution of ammonia to this solution gives _______ .

An element 'A' reacts with oxygen to form an oxide of the formula A_2O which dissolves in dil. HCl. The oxide formed turns red litmus paper blue. Is the element a metal or a non-metal?