Reactive metals react with _____ water to produce hydrogen.

State whether the following statements are true or false :

(a) All metals exist in solid form at room temperature.

(b) Coal can be drawn into wires.

(c) Non-metals react with dilute acids to produce hydrogen gas.

(d) Sodium is a very reactive metal.

(e) Copper displaces zinc from zinc sulphate solution.

(f) Rust formed on iron objects is basic in nature.

(g) Non-metals react with water to form a gas which burns with a 'pop' sound.

Fill in the blanks:

(a) Phosphorus is a very _________ non-metal.

(b) Metals are ________ conductors of heat and _________.

(c) Iron is ________ reactive than copper.

(d) Metals react with acids to produce _________ gas.

Correct the following statements :

(a) Hydrogen is used as a fuel for rocket propulsion.

(b) All metals react with acids to give hydrogen.

(c) Metals adsorb hydrogen.

(d) Very dilute nitric acid reacts with zinc to produce hydrogen.

(e) $Conc.H_{2}S{O}_4$ reacts with zinc to liberate hydrogen.

Name a gas which is always produced when a reactive metal reacts with a dilute acid. Write a chemical equation supporting your answer.