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प्रश्न
A philosopher’s stone is not exactly a stone.
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उत्तर
Philosopher’s stone is a legendary substance, capable of turning inexpensive metals like lead or mercury into – gold and silver. (It was not literally a stone, but a powder or potion).
संबंधित प्रश्न
What is alchemy?
Who is known as the Father of chemistry? Why?
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
State what is Science and give the basic bifurcation of Science with reasons.
State the functions of the following basic glass apparatus:
Round bottom flask
State the function of
The asbestos fixed at the center of the wire gauze.
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
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 glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
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.
