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प्रश्न
What is alchemy?
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उत्तर
The word “Alchemy” has its origin in a Greek word ‘Khemeia’ means “art of transmuting metals”. It was partly based on experimentations and partly on spiritual discipline
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संबंधित प्रश्न
Name six such products, which we use daily.
___________ deals with the study of matter and the changes it undergoes.
State the functions of the following basic glass apparatus:
Beaker
State the function of
The wooden handle at the end of the test tube holder.
State the function of
The asbestos fixed at the center of the wire gauze.
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 substance which absorbs moisture and keeps the skin dry and free from rashes.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
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 glass apparatus that measures liquid by sucking the liquid at one end up to the marked level and later pouring it out.
