Advertisements
Advertisements
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
Advertisements
उत्तर
an explosive
APPEARS IN
संबंधित प्रश्न
What is alchemy?
What is ‘Philosopher’s stone’?
What is the main difference between alchemy and chemistry?
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 the function of
The wooden handle at the end of the test tube holder.
State the method used for collecting the following gas:
Oxygen – a gas slightly soluble in water.
‘Alchemists are older words for Chemists’. Discuss the statement in brief.
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
