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What mineral is used to create makupe and powder?
minerals like zinc oxide, iron oxide, titanium dioxide, mica and ultramarine are all ground up into finer particles to crate makeups and powder.
What is zinc bars?
A place you go to drink zinc? No, it is an ingot of the metal zinc.
What transition metal has 30 electrons?
Iron (Fe), 26 electrons in neutral atom, 23 in Fe3+. Rust, Fe203 has Fe3+ ions.
Why do metals burn with different coloured flames?
Each metal has a different emmission spectrum because each metal has a different configuration of electrons. Since electrons can only emit specific amounts of energy and E=hv, where E=energy h=Planck's constant and v=vibrations per second, and E stays the same and h stays the same, the vibrations differ. Different vibrations mean different spots on the electromagnetic spectrum, and so there are different colors.
What does galvanized mean?
Zinc plating a metal which has a less negative reduction potential will protect the metal as the zinc is oxidised in preference. This is called galvanising
What decomposes when heated to give zinc oxide?
Zinc carbonate decomposes when heated to give zinc oxide.
What happens when lead and zinc oxide are heated?
it explodes
What is the yellow powder created when heating zinc oxide?
what happens to calcium oxide and zinc oxide when heated?
What metal when It decomposes it heated it give zinc oxide?
Zinc oxide can be obtained by heating zinc nitrate.
What is ZnOS?
This is zinc oxide doped with sulfur.
What happens when you mix iron and Zinc Oxide and heat it?
When iron is mixed with zinc oxide and heated, a redox reaction occurs where the iron reduces the zinc oxide to form zinc and iron oxide. The temperature needed for this reaction is significantly higher than normal atmospheric conditions.
What is the structural formula for zinc oxide?
Since zinc oxide is an ionic lattice when solid, it does not have a structural formula. Its empirical formula is ZnO.
What is the chemical formula for zinc white?
Zinc white is a name for zinc oxide - ZnO, used as dye.
What is the chemical name for white powder when zinc in heated?
zinc(II) oxide
Is yellow when heated and white when cold?
Zinc oxide
What compound decomposes when it is heated to zinc oxide?
Zinc carbonate decomposes when heated to form zinc oxide and carbon dioxide. This reaction occurs due to the thermal decomposition of zinc carbonate at high temperatures.
What happens to magnesium carbonate copper carbonate zinc carbonate and calcium carbonate when they are heated?
They form magnesium oxide, copper oxide etc. and will form carbon dioxide as a byproduct.
