Select the correct word from the list in bracket to complete each statement .
Aqua regia is a mixture of one part of ____ and three parts of ______ [ conc. Hydrochloric acid/ conc .nitri acid] in which nitric acid ______[reduces/ oxidises] hydrochloric acid to chlorine.

Select the correct word from the list in bracket to complete each statement . A mineral acid obtained from conc .nitric acid on reaction with a non - metal is _______ [hydorchloric acid/sulphuric acid/carbonic acid].

Name a substance which oxidises conc. hydrochloric acid to chlorine.

Select the correct word from the list in bracket to complete each statement . Pure conc . Nitric acid of fuming nitric acid renders the metal _______[zinc /copper/ iron] passive or inactive.

Select the correct word from the list in bracket to complete each statement . The reaction of ________[calcium carbonate /calcium oxide/calcium sulphite]with dilute nitric acid is an example of a neutralization reaction.

Select the correct word from the list in bracket to complete each statement . The oxidized product obtained on reaction of H_(2)S gas with dil . HNO_(3) is ________________[Sulphur dioxide /Sulphur/sulphuric acid].

Ethanol can be converted to ethene which can then be changed to ethane. Choose the correct word or phrase from the brackets to complete the following sentences: Converting ethanol to ethene requires the use of _______(concentrated hydrochloric acid / concentrated nitric acid/concentrated sulphuric acid)

Choose the correct word from the brackets to complete the sentence . Sodium nitrate reacts with ______ (consentraed /dilute)sulphuric acid to produce nitrc acid . Write equation for the same.

Choose the correct word from the brackets to complete the sentences. Acid reacts with base to give salt and water. The reaction is known as __________ (Decomposition, Neutralisation, Displacement.)

Choose the correct word from the brackets to complete the sentences. Sulphur dioxide turns _______ (acidic/alkaline) potassium dichromate paper green.

Select the correct word from the words in bracket Decomposition of [NaCl//NaHCO_3//NaNO_3] by dil. H_2SO_4 , forms an unstable acid.