Which of the following reactions involves the combination of two elements-CaO-CO-2 - CaCO-34Na-O-2 - 2Na-2O2SO-2- O-2 - 2SO-3NH-3-HCl - NH-4Cl

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Combination Reaction

Which of the ...

Question

Which of the following reactions involves the combination of two elements?

C a O + C O_{2} \to C a C O_{3}

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4 N a + O_{2} \to 2 N a_{2} O

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2 S O_{2} + O_{2} \to 2 S O_{3}

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N H_{3} + H C l \to N H_{4} C l

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M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

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

O_{2}

{C O}_{2}

O_{2}

O_{2}

{C O}_{2}

O_{2}

{C O}_{2}

The following reaction is a/an –
$C + O_{2} \to C O_{2} + H e a t$

K O_{2} + H_{2} O + C O_{2} \to K H C O_{3} + O_{2}

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