The followings are the formulas to calculate the number of moles of element/compound except for:

Identify the type of casting method shown.

The change in metal alloying process is a chemical one.

• True

• False

• 
• Depends on the type of metals

<Select all correct answers>: Phases of carbon steel include:

• Austenite

• Dragonite

• Martinsite

• Gudnite

• Bainite

Identify the type of material testing shown.

The formula to calculate Vicker's hardness is....?

Poly(methyl methacrylate) is also known as:

• Teflon

• Nylon

• Tupperware

• Plexiglass

PTFE stands for....?

• Polytetrafluorinethylene

• Polytetrafluoroethylene

• Polytetrofluoroethylane

• Polyterafluorinoethylene

All corrosions are rust, while not all rust are corrosion.

• 
• 
• 
• 

Ana overbaked her Raya cookies to the point that it becomes dry and crumbly. Thus, it can be said that the cookies are....

• Ductile

• Soft

• Brittle

• Tough