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प्रश्न
Select the correct name from the choices given below for the following case.
The scientist who formulated the Periodic Table.
विकल्प
John Dalton
Daniel Rutherford
Demitri Mendeleev
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उत्तर
Demitri Mendeleev
संबंधित प्रश्न
What is chemistry?
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
State the function of
The asbestos fixed at the center of the wire gauze.
State the function of
The clamp mounted on the rod of a retort stand
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 water-soluble cleaning agent – not inactivated by hard water.
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
