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
4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:
why is their exotherm while addition of reducing agents in reduction reaction?
Do all explosions produce carbon dioxide or carbon monoxide?
How are ph and pka related?
What is the monomer of polyethene?
How is arsenic produced?
Why is ph increases suddenly after the equivalence point?
Write the equation of photosynthesis?
What is wave length?
Why graphite rod is used in nuclear reactor?
What is molar conductivity?
What is meant by ph of a solution?
How will you calculate how many moles of glucose present in 320 ml of 5.0 m of glucose solution?
Write the chemical formula for epsom salts?
Mention the formula to calculate ph of a solution?