A) combustion
B) combination
C) displacement
D) decomposition
Correct Answer: D
Solution :
A chemical reaction in which a single compound decomposes into two or more simpler substances is called decomposition reaction. \[\underset{lead\,nitrate}{\mathop{2Pb{{(N{{O}_{3}})}_{2}}}}\,\xrightarrow{\Delta }\underset{\begin{smallmatrix} lead \\ oxide \end{smallmatrix}}{\mathop{2PbO}}\,+\underset{\begin{smallmatrix} nitrogen \\ dioxide \end{smallmatrix}}{\mathop{4N{{O}_{2}}}}\,+{{O}_{2}}\]
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