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 kentchin?
why is their exotherm while addition of reducing agents in reduction reaction?
Why is acetic acid added?
What is the prime constituents of cement?
What is protein - according to chemistry?
What are filters? Why are they used?
What is mineral water?
What is the reaction that occurs during the titration?
Why is ammonia solution added while preparing edta solution?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
How BIS Decedied the LSF value 0.66-1.02 with calculation.
What is chemical oxygen demand?
What is weak acid?
why we shrink our body during cold
Why we use potassium dichromate in control of absorbance in uv region and copper sulphate in control of absorbance in visible region?