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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Trinitrotoluene is used as
विकल्प
a preservative
a fertiliser
a fuel
an explosive
उत्तर
an explosive
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संबंधित प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Which one of the following is a pesticide?
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.
State the function of The tap at the base of a burette.
State what are – ‘stain removals’. Name three important stain removers & give their prime functions.
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 water-soluble cleaning agent – not inactivated by hard water.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A metallic apparatus which supports the wire gauze.
A philosopher’s stone is not exactly a stone.
