Smelting is
A) heating an ore, in the presence of oxygen or another substance, in order to purify the ore and obtain the liquid metal.
B) selectively dissolving a metal in strong acid to separate it from its ore.
C) the process of cooling an ore to drive off volatile compounds.
D) heating an ore, in the presence of oxygen or another substance, in order to cause a chemical reaction that drives off newly formed volatile compounds.
E) forming metal parts using heat and small crystals of metal.
Correct Answer:
Verified
Q34: Roasting is
A) forming metal parts using heat
Q35: Pyrometallurgy is the
A) refining of metal ores
Q36: Identify the ferromagnetic elements.
A) cobalt
B) iron
C) nickel
D)
Q37: Which of the following is an example
Q38: Which of the following is an example
Q40: Which substance is the best conductor of
Q41: Powder metallurgy is
A) refining of metal ores
Q42: Leaching is
A) melting an ore and separating
Q43: Identify the metal used in jet engine
Q44: What is the difference between ferromagnetism and
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents