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प्रश्न
‘Alchemists are older words for Chemists’. Discuss the statement in brief.
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उत्तर
Alchemy and alchemists are older words for Chemistry and chemists where –alchemists transformed or created substances through a seemingly – magical process. An alchemist Nicolas Flamel claimed to transform metals into gold.
संबंधित प्रश्न
What kind of experiments did Alchemists do?
State the functions of the following basic glass apparatus:
Glass test tube
State the functions of the following basic glass apparatus:
Beaker
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
State what are – ‘stain removals’. Name three important stain removers & give their prime functions.
Select the correct name from the choices given below for the following case.
The branch of Chemistry which includes a study of specific carbon compounds – built up mainly carbon and hydrogen.
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
Select the correct name from the choices given below for the following case.
A Medicine to treat pain, fever & inflammation.
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 rectangular mesh with asbestos at its centre kept for initiating even distribution of heat to the bottom of the apparatus.
