II. Short Answer Questions. 1. Define the following terms. a. Corrosion b. Metallurgy c. Displacement reaction d. Sonority
Answers
Answer:
a.Corrosion is defined as the chemical or electrochemical reaction between a material, usually a metal or alloy, and its environment that produces a deterioration of the material and its properties.
b.Metallurgy is a domain of materials science and engineering that studies the physical and chemical behavior of metallic elements, their inter-metallic compounds, and their mixtures, which are called alloys.
c Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound. Both metals and non-metals take part in displacement reactions. Example : Reaction of iron nails with copper sulphate solution.
d.The property of metal when things made by metals produce a ringing sound when struck hard. The metals produced ringing sounds said to be sonorous. This property of a metal is known as sonority. Hence, sonority means capable of metal producing a deep or ringing sound.
Answer: 1
a. Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, carbonate or sulfide.
b. a process that is used for the extraction of metals in their pure form.
c. Displacement reaction is a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
d. Sonority is the capability to produce ringing sounds