Select the correct word from the words in bracket
A metal which reacts with an alkali to liberate hydrogen. [iron/copper / aluminium]

Name An element which reacts with alkali to produce hydrogen.

Which of the given metals will react with alkali to liberate hydrogen?

Which of the following metals will react with NaOH and KOH to liberate hydrogen gas?

Select the correct word from the words in bracket to complete the sentence : The electrode at which anions donate excess electrons and are oxidized to neutral atoms is the ________[anode/cathode]

Select the correct word from the words in bracket The solution which on heating with CaCO_3 evolves CO_2 gas. [conc. H_2SO_4 / dil. H_2SO_4 / dil.HCI]

Select the correct word from the words in bracket to complete the sentence: Electrolysis is a/an _______[oxidation / reduction /redox] reaction in which reduction reaction takes place at the ________[cathode/anode]

Complete the statements by selecting the correct word from the word in brackets. Ammonia in the liquefied form is _____[acidic/basic/neutral]

Select the correct word from the words in bracket to complete the sentence : According to Arrhenius's theory the amount of electricity conducted by the electrolyte depends on the __________[nature/concentration]of the ions is solution.

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].

Select the correct word or formula from the same give in bracket : The substance reacted with conc HCl & heated to prove that conc .HCl containd Cl_(2).[PbCl_(2)//PbO_(2)//PbO ]