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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 kind of experiments did Alchemists do?
What is ‘Philosopher’s stone’?
What is the main difference between alchemy and chemistry?
What is the contribution of chemistry in the following field?
National Defence
State the function of
The wooden handle at the end of the test tube holder.
Select the correct name from the choices given below for the following case.
The branch of Science which deals with the different forms of energy e.g. light and sound.
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 long glass apparatus closed at one end used for collecting gases.
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.
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.
