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प्रश्न
What is science?
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उत्तर १
Science is the systematic effort by human beings to control nature through experiments and observation for their own use.
उत्तर २
Science is the systematic ongoing effort by human beings to study understand and utilize nature for meaningful purposes. This understanding is slowly developed by careful observations and experiments.
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संबंधित प्रश्न
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State why a round bottom flask is preferred to a flat bottom flask – during the preparation of gases in the laboratory.
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.
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
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 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 long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
A philosopher’s stone is not exactly a stone.
