Question

Type of reaction

a. when marble chips react with HCl
b. when zinc granules react with HCl

Answer 1

Hi buddy

a...Calcium Carbonates which are marble chips react with hydrochloric acid to give out calcium chloride, water and carbon dioxide. ... This will also increase the pressure which also speeds up the reaction, this happensbecause the particles will hit the side of the container harder than the low concentration acid.

b....The reaction between zinc and hydrochloric acid is Zn + HCl = H2 + ZnCl2. It is a single replacement reaction where zinc metal displaces the hydrogen to form hydrogen gas and zinc chloride, a salt. Zinc reacts quickly with the acid to form bubbles of hydroge

Answer 2

A. exothermic reaction.
B. single replacement reaction.

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