Identify the Normal Crystal Structure at Room Temperature for Cr

Q34: Calcination is<br>A) heating an ore, in the

Q35: Leaching is<br>A) melting an ore and separating

Q36: Give the components of brass.<br>A) copper and

Q37: Chromates are strong<br>A) oxidizers.<br>B) bases.<br>C) acids.<br>D) metals.<br>E)

Q38: In a substitutional alloy,<br>A) one nonmetal substitutes

Q40: Why is zinc used to coat steel

Q41: Powder metallurgy is<br>A) refining of metal ores

Q42: Which of the following is an example

Q43: Write a balanced reaction for the smelting

Q44: Give the highest oxidation number of chromium.<br>A)