Choose the correct word from the bracket to complete the sentence.
Sodium nitrate on reaction with (concentrated/dilute) sulphuric acid produces nitric acid.
Write an equation for the above reaction.
Complete the following sentence, choosing the correct word from the brackets. "Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ................ (less volatile/stronger) in comparison to these two acids."
Write the equation for: (a) the preparation of hydrogen chloride from sodium chloride and sulphuric acid. State whether the sulphuric acid should be concentrated or dilute. (b) the reaction between hydrogen chloride and ammonia.