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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Used is an important
पर्याय
fuel
preservative
fertiliser
food item
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उत्तर
fertiliser
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संबंधित प्रश्न
How is the knowledge of chemistry important to mankind?
___________ deals with the study of matter and the changes it undergoes.
Match the following scientists in column A with their discoveries or contributions in column B.
| Column A | Column B | ||
| (a) | Marie Curie | (i) | Safety Lamp |
| (b) | John dalton | (ii) | Helium |
| (c) | William Ramsey | (iii) | Nobel Prize Winner (two times) |
| (d) | Sir Humphry Davy | (iv) | Atomic Theory |
State what is Science and give the basic bifurcation of Science with reasons.
Give the basic difference between Inorganic Chemistry and Organic Chemistry.
Select the correct name from the choices given below for the following case.
The scientist who formulated the Periodic Table.
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 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 glass apparatus that measures liquid by sucking the liquid at one end up to the marked level and later pouring it out.
Give reasons for the following
Alchemy was considered a pseudoscience.
