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 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 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 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 or formula from the same give in bracket : The acid which is not a monobasic acid .[Acetic/Sulphurous/Hydrochloric /Nitric/Formic acid]

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 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 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^(+)]

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

Fill in the blanks by using the correct word/term given in the brackets. The pH of an acid is _____ than 7. (greater/less)

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)]