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yasser
Questions (3)
A weight of 150 pounds is placed on a smooth plane surface which makes an angle of 35 degree with the horizontal. The weight is
1 answer
813 views
if you change the indicator of standardization Hcl with Na2co3 methyl red methyl orange titration corset not why?
0 answers
1,233 views
i have two doors one is hell the other is heaven ,one always tell the truth the other always lies how do i know each one is
1 answer
473 views
