(a)
Interpretation: To list the elements present in the alloys.
Concept introduction: Alloys is a chemical substance, which contains a mixture of elements.
(a)
Answer to Problem 75A
Brass - copper and zinc
Explanation of Solution
Alloy is majorly formed from the combination of a metal with other elements.
The alloys usually have better strength in comparison to its respective elements.
The alloy brass is prepared by the combination of copper and zinc, where, copper is 66% and zinc is 34% in concentration.
(b)
Interpretation: To list the elements present in the alloys.
Concept introduction: Alloys is a chemical substance, which contains a mixture of elements.
(b)
Answer to Problem 75A
sterling silver − silver and copper
Explanation of Solution
Alloy is majorly formed from the combination of a metal with other elements.
The alloys usually have better strength in comparison to their respective elements.
The alloy sterling silver is prepared by the combination of silver and copper, where silver is 92.5% and copper is 7.5% in concentration. Sterling silver is widely used to form jewelry, which won’t get tarnished easily.
(c)
Interpretation: To list the elements present in the alloys.
Concept introduction: Alloys is a chemical substance, which contains a mixture of elements.
(c)
Answer to Problem 75A
bronze − copper and tin.
Explanation of Solution
Alloy is majorly formed from the combination of a metal with other elements.
The alloys usually have better strength in comparison to their respective elements.
The alloy bronze is prepared by the combination of copper and tin, where, copper is 88% and tin is 12% in concentration.
(d)
Interpretation: To list the elements present in the alloys.
Concept introduction: Alloys is a chemical substance, which contains a mixture of elements.
(d)
Answer to Problem 75A
stainless steel − iron, chromium, and nickel
Explanation of Solution
Alloy is majorly formed from the combination of a metal with other elements.
The alloys usually have better strength in comparison to their respective elements.
The alloy stainless steel is prepared by a combination of iron, chromium, and nickel.
Chapter 7 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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