Question Five a. What do you call a situation whereby a material loses its chemical reactivity and becomes extremely inert under the same environmental conditions? (4 Marks) b. Mr. Gabriel Musaka measured the temperature on two faces of a 25mm thick suspended slab as 318.4 K and 303.2 K respectively. The heat flux was measured as 35.1 W/m². Calculate the thermal conductivity in W/m-K (10 Marks) c. Mention the property of material due to which it can be rolled or hammered into thin sheets. (2 Marks) d. What do you call ability of a material to retain the deformation permanently? (2 Marks) e. What is the ability of a material to resist penetration by another material? (2 Marks) (4+10+2+2+2=20 Marks) W