1.

Which metals or alloys amongst the following, do not reduce SiO2 and are found to have poor adhesion on SiO2 surfaces.A) WB) M0C) AlD) TiNE) WSi2Choose the correct answer from the options given below:

A. (A) and (C) only
B. (B) and (C) only
C. (C) and (D) only
D. (A) and (B) only
Answer» E.


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