Chemistry Club
যোগদান
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posted by anviange
What are the most important scientific
discoveries of all time? The answer might
include Copernicus's idea that the sun is
at the center of the solar system,
Newton's laws of motion, Mendeleev's
periodic টেবিল of elements, Einstein's
theory of relativity and Darwin's theory of
evolution. There are numerous great
scientific discoveries that have
significantly influenced the way we think
and live throughout history. 100 Greatest
Discoveries recounts the 100 most
important scientific discoveries of all time
and explains them with historical re-
creations, archival footage and interviews
with scientists.
100 Greatest Discoveries - Chemistry
This episode recounts thirteen important
discoveries in chemistry, including Joseph
Priestly's discovery of oxygen, John
Dalton's atomic theory, and Dmitry
Mendeleev's discovery of periodic টেবিল of
elements. Here are the thirteen important
discoveries:
1. Oxygen (1770s)
2. Atomic Theory (1808)
3. Atoms Combine Into Molecules (1811
onward)
4. Synthesis of Urea (1828)
5. Chemical Structure (1850s)
6. Periodic টেবিল of the Elements (1860s -
1870s)
7. Electricity Transforms Chemicals (1807
- 1810)
8. The Electron (1897)
9. Electrons for Chemical Bonds (1913
onward)
10. Atoms Have Signatures of Light
(1850s)
11. Radioactivity (1890s - 1900s)
12. Plastics (1869 and 1900s)
13. Fullerenes (1985)
Swiss scientists have completed their solution for
transforming hydrogen gas into a less flammable liquid
fuel that can be safely stored and transported. Another
possible application of their technology would be to use
atmospheric CO2to synthesize a number of useful
chemical products.
Hydrogen is often touted as the fuel of the future. But
because this gas is highly explosive, it must be stored
and transported under pressure in specialized and
expensive containers. Hydrogen therefore has issues in
terms of safety, logistics, and profitability that could
significantly its wider use. However, a solution...
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When iodine solution is poured into solution that contains starch it turns blue. Small noodles were used as a starch source.
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