(Solved): QUESTION 5/ SOALAN 5 (20 Marks/ 20 Markah) A student synthesize ZnO powder and calcined the ZnO powd ...

QUESTION 5/ SOALAN 5 (20 Marks/ 20 Markah) A student synthesize

powder and calcined the

powder obtained at various temperatures. Characterizations are needed to understand about the

and determined the purity of the sample. Seorang pelajar telah mensintesis serbuk ZnO dan mengkalsin serbuk ZnO yang diperolehi pada pelbagal suhu. Pencirian diperlukan untuk memahami berkenaan ZnO dan menentukan ketulenan sampel tersebut. a. Explaining the information or data that could be obtained from Scanning Tunneling Microscope ( STM), Transmission electron microscope (TEM), X-ray Diffraction (XRD), Accelerated Surface Area and Porosity(ASAP). (16 marks)