Select the correct word from the words in bracket
The solution which can be used to distinguish an ammonium salt from a sodium salt.
`[CuCl_2 "soln"//NH_4OH// dil.H_2SO_4// AgNO_3 "soln"]`

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]

Complete the statements by selecting the correct word from the word in brackets. The salt solution which does not give an insoluble precipitate on addition of ammonium hydroxide in small amount it _________ [Mg(NO_(3))_(2)//NaNO_(3)//Cu(NO_(3))_(2)]

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.

Select the correct word or formula from the same give in bracket : The acid which is not an oxidising agent [Conc HNO_(3)//"Conc"HCl//"Conc".H_(2)SO_(4)]

Select the correct answer from the choice in brackets. The salt which reacts with dil . H_(2)SO_(4) acid to given an insoluble ppt. [Cu(NO_(3))_(2)//Zn(NO_(3))_(2)//Pb(NO_(3))_(2)] .

Select the correct word or formula from the same give in bracket : The gases which is /are heavier that air and highly soluble in water . [NH_(3)//HCl//CO_(2)//H_(2)S]

Select the correct word from the words in bracket The pH of blood is around 7.4, of saliva is 6.5 and of acid rain is around 4.5. The solution which is slightly alkaline of the three. [saliva / acid rain / blood]

Select the correct answer from the choice in brackets. The reduced product obtained when hydrogen sulphide reacts with conc . H_(2)SO_(4). [ SO_(2)//S//H_(2)O ] .

Select the correct word from the words in bracket to complete the sentence : Salts ionize in aq. soln. on passage electric current to give ____[negative/positive ]ions other H^(+) ions

Select the correct answer from the list given in brackets : The ion which is discharged at the anode during the electrolysis of copper sulphate solutions using copper electrodes as anode and cathode. [Cu^(2+) , OH^(-) SO_(4)^(2-) , H^(+)]