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प्रश्न
What is ‘Philosopher’s stone’?
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उत्तर
The goal of alchemy was to find a mythical and magical substance called “philosopher’s stone” not a literal stone but wax, liquid or powder with magical power, which on heating with a base, iron and copper metals would turn into gold, the purest form of matter which would bring wealth, health and immortality.
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संबंधित प्रश्न
___________ deals with the study of matter and the changes it undergoes.
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
Choose the correct alternative from the choices given below for the following statement:
Used is an important
Give the basic difference between Inorganic Chemistry and Organic Chemistry.
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State the functions of the following basic glass apparatus:
Retort
State the function of
The clamp mounted on the rod of a retort stand
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 water-soluble cleaning agent – not inactivated by hard water.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For holding washed test tubes
