q18

klevermovies November 20, 2023

 <p>C2H2OH+PCL3 ? C2H2CL+POCL3+HCL</p>

<p>4H3PO4 ? 3H3PO3+PH</p>

<p>PCL+CL2 ? PCL5</p>


klevermovies

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an a image

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