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प्रश्न
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
What is the main difference between alchemy and chemistry?
Choose the correct alternative from the choices given below for the following statement:
Trinitrotoluene is used as
State what is Science and give the basic bifurcation of Science with reasons.
State the functions of the following basic glass apparatus:
Glass test tube
State the functions of the following basic glass apparatus:
Hard glass boiling tube
State the function of
The wooden handle at the end of the test tube holder.
State the method used for collecting the following gas:
Sulphur dioxide – a gas highly soluble in water and heavier than air
Select the correct name from the choices given below for the following case.
A Medicine to treat pain, fever & inflammation.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
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.
