TS EAMCET 11-Sep-2020 Shift 2 Solved Paper

Section: Chemistry

Question : 134 of 160

Marks: +1, -0

Dihydrogen can be prepared by which of the following reactions
(i) Reaction of granulated Zn with dil. HCl
(ii) Reaction of Zn with aq. NaOH
(iii) By heating calcium hydrogen carbonate

(i) and (iii) only
(i), (ii) and (iii)
(i) and (ii) only
(ii) and (iii) only

Validate

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