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प्रश्न
Choose the correct alternative from the choices given below for the following statement:
Trinitrotoluene is used as
पर्याय
a preservative
a fertiliser
a fuel
an explosive
उत्तर
an explosive
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संबंधित प्रश्न
What is science?
What kind of experiments did Alchemists do?
What is the contribution of chemistry in the following field?
National Defence
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 the functions of the following basic glass apparatus:
Round bottom flask
State the functions of the following basic glass apparatus:
Retort
Select the correct name from the choices given below for the following case.
A synthetic fiber used in clothing.
Select the correct name from the choices given below for the following case.
A substance which dissolves grease & oil and is preferred as a – drain cleaner.
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.
