(a) A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when reacts with copper. Identify B. Write equation with copper.

(b) Complete the table :

$\begin{array}{cccc}\text{Name of Process}& \text{Inputs}& \text{Equation}& \text{Output}\\ & \text{Ammonia}& & \text{Nitric acid}\\ & \text{+Air}& & \end{array}$

(c) What is the property of nitric acid which allows it to react with copper.

Q. Identify the substances B. If dilute acid 'B' which does not normally give hydrogen when reacted with metals but does give a gas when it reacts with copper.

Q. Question 7
Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?

(a) magnesium
(b) aluminium
(c) iron
(d) copper

Q. Question 7
Metals generally react with dilute acids to produce hydrogen gas. Which one of the following metals does not react with dilute hydrochloric acid?

(a) magnesium
(b) aluminium
(c) iron
(d) copper

Q.

(a) Dilute nitric acid is generally considered a typical acid except for its reaction with metals. In what way is dilute nitric acid different from other acids when it reacts with metals?

(b) Write the equation for the reaction of dilute nitric acid and conc. nitric acid with copper.

Q.

Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid, whereas copper does not. Why?