1 Answers
Call
Electrometallurgy is used for extraction of non-ferrous and active metals, such as magnesium, aluminum, lead, zinc, copper, manganese, magnesium, silver, gold, chromium, cobalt, alkali metals and rare-earth metals. It is the only one obtaining method for sodium, magnesium and aluminum as pure metals.
0
like
0 dislike
Talk Doctor Online in Bissoy App
How to improve the quality of the extracted DNA to obtain a better result ??
1. Salting out using an appropriate cosmotrope such as potassium acetate.2. Extraction using organic solvents and chaotropes (guanidium salts).3. Glass milk/silica resin-based strategies.4. Anion exchange strategies.5. Hydroxyapatite-based strategies.6. Cesium chloride...
1 Answers 1 views
Describe the effect the amount of soap on the amount of extracted DNA
During the process of DNA extraction, soap is used to destroy and to sollubilize cell membranes and to release nucleic acids. As a result, low amounts of soap may be...
1 Answers 1 views
What kind of answers can a model give us? what kind of answers can id not give us
Models can help you visualize, or picture in your mind, something that is difficult to see or understand. Models can help scientists communicate their ideas, understand processes, and make predictions.Limitations...
1 Answers 1 views
while is second ionization energy of alkaline earth metals is less than that of corresponding alkali metals
Although IE1 (first ionization energy) values of alkaline earth metals are higher than that of alkali metals, the IE2 (second ionization energy) values of alkaline earth metals are much smaller...
1 Answers 1 views
The second ionization energy of alkaline earth metals is less than that of corresponding alkali metals because
First ionization energy values of alkaline earth metals are higher than that of alkali metals, but second ionization energy values of alkaline earth metals are much smaller than those of...
1 Answers 1 views
the discovery of ---------- rejected law of octave..
A. Halogens
B. Inert gases
C. Alkali Metals
D. Heavy metals
The Law of Octaves was published by John Newland in 1864. He proposed that some of the physical and chemical properties of the elements must be repeated after every seven...
1 Answers 1 views
List all the metals of the first series of transition metals in order of increasing atomic number
The first series of transition metals include;21Sc, 22Ti, 23V, 24Cr, 25Mn, 26Fe, 27Co, 28Ni, 29Cu, 30Zn.
1 Answers 1 views
List all the metals of the first series of transition metals in order of increasing atomic number How does the atomic radius of the elements vary across the series ? Explain
(a) List of the first series of transition metals in increasing atomic number;Sc - 21Ti-22V-23Cr-24Mn-25Fe-26Co -27Ni-28Cu-29Zn -30(b) How atomic radius varies across the series.Atomic radius decreases from Sc to ZnThis...
1 Answers 1 views
What are alkali metals? Why do these metals not occur in free state in nature? List the principal ores of alkali metals.
Alkali metals are: - Lithium (Li); - Sodium (Na); - Potassium (K); - Rubidium (Rb); - Cesium (Cs); - Francium (Fr). All alkali metals have their outmost electron in the s-orbital. This pre-determines their high chemical...
1 Answers 1 views
Many metals react with halogens to give metal halides. For example,
2 Al (s) + 3 Cl2(g) → 2 AlCl3 (s)
If you begin with 13.5 g of aluminum
To find mass of aluminum chloride, we should find moles of aluminum. Moles of aluminum chloride AlCl3 are equal moles of aluminum, because they both have the same coefficient it...
1 Answers 1 views