Q.

Under conditions of                               heating, decomposition usually take place in thermogravimetry. Fill up the suitable option from the choices given below.

A. first order
B. second order
C. third order
D. dynamic
Answer» D. dynamic
Explanation: in thermogravimetric analysis (tga), decomposition usually take place under dynamic heating conditions over a range of temperature ti to tf and a second constant weight plateau is then observed above tf, which corresponds to the weight of the residue wf.
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