Advertisements
Advertisements
प्रश्न
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 |
Advertisements
उत्तर
| Column A | Column B | ||
| (a) | Marie Curie | (iii) | Nobel Prize Winner (two times) |
| (b) | John dalton | (iv) | Atomic Theory |
| (c) | William Ramsey | (ii) | Helium |
| (d) | Sir Humphry Davy | (i) | Safety Lamp |
APPEARS IN
संबंधित प्रश्न
What is the contribution of chemistry in the following field?
National Defence
Write True or False against the following statement.
Chemistry plays an important role in the national economy:
Choose the correct alternative from the choices given below for the following statement:
Used is an important
Give the basic difference between Inorganic Chemistry and Organic Chemistry.
State the functions of the following basic glass apparatus:
Hard glass boiling tube
Select the correct name from the choices given below for the following case.
A Medicine to treat pain, fever & inflammation.
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 glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
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.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A long glass tube with a broad inlet at the top, which allows entry of the reactants into the round bottom flask, during laboratory preparations of gases.
