Chemistry
Give balanced equations for obtaining hydrogen from ?
(a) Boiling water using a divalent metal
(b) Steam using a trivalent metal
(c) Steam using a metal – and the reaction is reversible.
Related Questions
How did the name 'hydrogen' originate. How does hydrogen occur in the combined state.
Give balanced equations for obtaining hydrogen from cold water using –
(a) A monovalent active metal
(b) A divalent active metal
State why hydrogen is not prepared in the laboratory by the action of –
(a) Sodium with cold water.
(b) Calcium with dilute sulphuric acid.
(c) Lead with dilute hydrochloric acid.
Give balanced equations for the following conversions.
(a) Sodium zincate from zinc
(b) Sodium plumbite from lead
(c) Sodium aluminate from aluminium.