Answer Posted / guest
Alloys are made with following objects
(a)To increase hardness e.g. Gold and silver are hardened by
addition of copper with it
(b)To lower the melting point
(c)To modify colour
(d) To increase the tensile strength
(e) To make the metal more resistant to corrosions
(f)To get good castings
(g)To get modify chemical activity
| Is This Answer Correct ? | 4 Yes | 4 No |
Post New Answer View All Answers
What is the role of silver sulphate?
Why is glass electrode called an ion selective electrode?
When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?
What makes a molecule into organic molecule?
What is the unit of ph?
What is glacial acetic acid?
What is the chemical composition of fat in human body?
Mention a few advantages of photoelectric colorimetric determination.
What is equivalent conductivity?
What is viscosity-coefficient of a liquid?
What are the advantages of potentiometric titration?
Why is mercuric chloride added?
what are the role of chemistry education in sustainable development
What is specific conductivity?
why we shrink our body during cold
