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प्रश्न
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
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उत्तर
In the medieval ages to the 17th Century, the so-called philosopher’s stone – held priority and alchemists were successful to a certain extent, in the development of processes, which helped later chemists to extract metals and develop – path-breaking avenues in Chemistry. The scientific process involving modern chemistry started paving paths and chemistry regains its rightful position.
The Scientific Process involving Modern Chemistry started paving paths & chemistry regains its rightful position.
संबंधित प्रश्न
What is science?
What is ‘Philosopher’s stone’?
What is the contribution of chemistry in the following field?
National Defence
Choose the correct alternative from the choices given below for the following statement:
Used is an important
State the function of
The clamp mounted on the rod of a retort stand
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
Select the correct name from the choices given below for the following case.
Predecessors to the modern Chemist who created the ‘Philosopher's stone’.
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
Match the apparatus A to J shown below with their correct names 1 to 10 given below:
1. Delivery Tube
2. Pipette
3. Wire gauze
4. Bee-hive shelf
5. Thistle funnel
6. Flat bottom flask
7. Test tube stand
8. Burette
9. Retort
10. Conical flask
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass apparatus closed at one end used for collecting gases.
