Write a balanced chemical equation for the reaction of zinc with potassium hydroxide solution.
two metallic oxides which are acidic
Which metals do not corrode easily?
Give the balanced reactions for the following:
Iron reacts with dilute HCI
State why concentrated sulphuric acid is not used for drying ammonia gas
Why is ammonia gas not collected over water?
Choose the correct answer from the options given below :
The two main metals in Bronze are:
(A) Copper and zinc
(B) Copper and lead
(C) Copper and nickel
(D) Copper and tin