Which of the following is the correct chemical equation for combustion of Zn?

2 Z n + O_{2} \to 2 Z n O

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2 Z n + 4 H_{2} O \to 2 Z n (O H)_{2} + 4 H_{2}

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Z n + C u S O_{4} \to Z n S O_{4} + C u

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3 Z n + N_{2} \to Z n_{3} N_{2}

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Solution

The correct option is A $2 Z n + O_{2} \to 2 Z n O$
During combustion, a substance reacts with oxygen to form its oxide producing heat and light. Metals on reaction with oxygen form metal oxides. Zinc undergoes combustion producing zinc oxide as shown below: $2 Z n + O_{2} \to 2 Z n O$

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Similar questions

Consider the following chemical equation for the combustion of methane ( $C H_{4}$ )

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O$

{MgSO}_{4} + Fe

{ZnSO}_{4} + Fe

{MgSO}_{4} + Pb

{CuSO}_{4} + Fe

C H_{4} (_{g}) + 2 O_{2} (_{g}) \to C O_{2} (_{g}) + 2 H_{2} O (_{g})

Which one of the following chemical equations represent combustion reactions?

C + O_{2} \to C O_{2}

B: $C + \frac{1}{2} O_{2} \to C O$

C: $C O + \frac{1}{2} O_{2} \to C O_{2}$

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