What are alloys?

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Sujoy Das

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It is mixture of metals example steel,bronze. Bronze is alloy of aluminium,nickel or zinc and manganese. Steel is made of iron,chromium also small percentage of carbon,nickel,
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It is mixture of metals example steel,bronze. Bronze is alloy of aluminium,nickel or zinc and manganese. Steel is made of iron,chromium also small percentage of carbon,nickel,
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Protons,electrons,neutrons .proton neutron in nucleus electrons make confrigration
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2
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Our eye can not see objects below 1/10 millimeter. Optically it is not possible.microscope use can be done.
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Steam
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Related Questions

How will you separate a mixture containing kerosene and petrol (difference in their boiling points is more than 25ºC), which are miscible with each other?
kerosene and petrol are miscible liquids also the difference between their boiling point is more than 25 ºC so they can be separated by the method of distillation. Follow the steps given below (i)...
Pradeep
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What is the physical state of water at 25°C?
Liquid.
Abhishek
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Calculate the mass of 0.5 mole of N2 gas (mass from mole of molecule).
Molar mass of N2 is 28(since atomic weight of nitrogen is 14and forN2=14*2). So mass of 1 mole of N2 is 28g.Therefore mass of 0.5 mole is 28/2 =14g
Neha
Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?
100 gm of sodium will have (Given mass / molar mass )x Avogadro's Number = (100/23) x 6.022 x 10^23 = 2.62 x 10^24 atoms 100 gms of Iron will have (100/56) x 6.022 x 10^23 = 1.07 x 10^24 atoms So 100 gms of Sodium will have more atoms.
Nasar
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Helium atom has an atomic mass of 4u and two protons in its nucleus. How many neutrons does it have?
Mass number of Helium = 4 Number of protons = 2 Number of neutrons(n) = Number of Mass(A) — Number of proton (P) = 4 – 2 = 2 Thus, No. of neutrons = 2
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