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white powder turns red-brown and a punget gas is given off

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Why is it necessary to mix nickel with silver?

Melting in an alumina crucible.


What is the formula of nickel ammonium sulfate?

Ni(NH4)2(SO4)2.6H2O


Is nickel ferromagnetic and how do you know?

Nickel is ferromagnetic, which means it can be magnetized. This is known through experimental observations and measurements that show nickel exhibits magnetic properties when exposed to a magnetic field.


How many moles of Ni are in kg of nickel sulfate?

(NH4)2SO4 so 2 N, 8 H, 1 S, 4 O = 15 total In one mole(unit) of any substance there are 6.022 x 1023 particles. This number is known as Avogadro's number. So for ammonium sulfate there would be 15 times this number = 9.033 x 1024. However, 1 molecular unit of ammonium sulfate contains 15 atoms.


What would you use to melt crystal over a Bunsen burner?

Using a platinum or nickel crucible would be recommended for melting crystal over a Bunsen burner, as these materials have high melting points and are resistant to corrosion. It is important to ensure that the chosen crucible is compatible with the crystal being melted to prevent contamination.


What is does crucible mean?

It is a laboratory object made from glass, platinum or platinum alloys, ceramics, metals (nickel, zirconium), glassy graphite, etc. A crucible is used for the evaporation of liquids from samples, calcination, gravimetric analysis, etc.


Why gooch crucible is preferred over filter paper?

Gooch crucible is preferred over filter paper for tasks that involve high temperatures or aggressive chemicals, as it is made of inert materials like porcelain or nickel. It provides better filtration and can withstand harsher conditions without degrading, making it more reliable and durable compared to filter paper.


What type of materials is a crucible made out of?

Metals: platinum, platinum alloys (with Rh, Au, Ir), Pt-zirconia stabilized, nickel, zirconium, inconel 601, tantalum, molybdenum, etc. Ceramics: porcelain, mullite, aluminum oxide, aluminum nitride, zirconium oxide (with 10 % yttrium oxide), magnesium oxide, beryllium oxide, cerium sulphide, silica, etc. Vitrous graphite


What has the author M L Weaver written?

M. L. Weaver has written: 'Observations of dynamic strain aging in polycrystalline NiAl' -- subject(s): Polycrystals, Research, Nickel-aluminum alloys, Strains and stresses


Is a nickel considered an alloy?

Yes. It consists of nickel, nickel, and nickel.


What is the chemical compound name for NiCo3?

The chemical compound name for NiCO3 is nickel carbonate.


What is a 1949 nickel made of?

It is made of copper and nickel. A 1949 NICKEL is made from copper & nickel.