Answer
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Hint: A chemical reaction is the reaction in which the bonds are broken within reactant molecules and new bonds are formed within product molecules which further form new substances. During these reactions heat is evolved.
Complete answer:
Zinc granules can be explained as the irregularly shaped pieces of zinc which are produced by pouring molten zinc into the water. The particle size of zinc granules is generally large as compared to zinc powder. Due to the large surface area zinc is used in the form of granules in the production process of hydrogen gas. Both zinc granules and zinc have the same physical properties but show a little variation in some of their chemical properties.
Reactions can be shown as follows:
Dilute ${{H}_{2}}S{{O}_{4}}$ with zinc granules is shown as: $Zn+{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+{{H}_{2}}$
Dilute $HCl$ with zinc granules gives zinc chloride $Zn+2HCl\to ZnC{{l}_{2}}+{{H}_{2}}$
Reaction with dilute $HN{{O}_{3}}$ is different as compared to other acids because $HN{{O}_{3}}$ is an oxidizing agent and it oxidises hydrogen gas which evolved to water.
$4Zn+10HN{{O}_{3}}\to 4Zn{{(N{{O}_{3}})}_{2}}+5{{H}_{2}}O+{{N}_{2}}O$
Zinc granules does not react with $NaCl$ solution:
$Zn+NaCl\to No\ \text{reaction}$
With $NaOH$ solution:
$Zn+2NaOH\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}$
Note:
Chemical reactions are of many types like combustion reaction, de combustion reaction, neutralization reaction, redox reaction and double displacement reaction. The main property of chemical reaction is it follows the law of conservation of mass.
Complete answer:
Zinc granules can be explained as the irregularly shaped pieces of zinc which are produced by pouring molten zinc into the water. The particle size of zinc granules is generally large as compared to zinc powder. Due to the large surface area zinc is used in the form of granules in the production process of hydrogen gas. Both zinc granules and zinc have the same physical properties but show a little variation in some of their chemical properties.
Reactions can be shown as follows:
Dilute ${{H}_{2}}S{{O}_{4}}$ with zinc granules is shown as: $Zn+{{H}_{2}}S{{O}_{4}}\to ZnS{{O}_{4}}+{{H}_{2}}$
Dilute $HCl$ with zinc granules gives zinc chloride $Zn+2HCl\to ZnC{{l}_{2}}+{{H}_{2}}$
Reaction with dilute $HN{{O}_{3}}$ is different as compared to other acids because $HN{{O}_{3}}$ is an oxidizing agent and it oxidises hydrogen gas which evolved to water.
$4Zn+10HN{{O}_{3}}\to 4Zn{{(N{{O}_{3}})}_{2}}+5{{H}_{2}}O+{{N}_{2}}O$
Zinc granules does not react with $NaCl$ solution:
$Zn+NaCl\to No\ \text{reaction}$
With $NaOH$ solution:
$Zn+2NaOH\to N{{a}_{2}}Zn{{O}_{2}}+{{H}_{2}}$
Note:
Chemical reactions are of many types like combustion reaction, de combustion reaction, neutralization reaction, redox reaction and double displacement reaction. The main property of chemical reaction is it follows the law of conservation of mass.
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