Advertisements
Advertisements
प्रश्न
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
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 ‘Philosopher’s stone’?
Name six such products, which we use daily.
What is the contribution of chemistry in the following field?
National Defence
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
State the function of
The asbestos fixed at the center of the wire gauze.
State the function of
The air regulator in a Bunsen burner.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
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.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A modern apparatus with an air regulator, used for heating purposes.