Advertisements
Advertisements
प्रश्न
Write True or False against the following statement.
Enzymes secreted by our body are chemicals:
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
What kind of experiments did Alchemists do?
Who is known as the Father of chemistry? Why?
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 clamp mounted on the rod of a retort stand
State the function of
The air regulator in a Bunsen burner.
Select the correct name from the choices given below for the following case.
The branch of Science which deals with the different forms of energy e.g. light and sound.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For holding washed test tubes
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 long glass apparatus closed at one end used for collecting gases.
