an acid. 3) Which goes is evolved, cubes bydrochlou's auid is added in first test tube containing small pieces of and then in second test tube containing marble zinc granulest 3 the is first tube, le is second test tube 6) Clein Jetst test tube, Ho in second test tube ② Or in first test tube ch in second test tube Ich in first test tube CO2 in second test tube. d.
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Answer:
3) When hydrochloric acid is added to zinc granules, the reaction takes place as:
Zn+HCl -----> ZnCl2 + H2
And the gas evolves is hydrogen and in second test tube hydrochloric acid is added to lead ,the reaction takes place as:
Pb+HCl ------> PbCl2 + H2 .
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2
Answer:
we use methyl orange and phenolphthalein to determine end points of acid-base titration.
Explanation:
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