Advertisements
Advertisements
प्रश्न
Give two example of elements.
उत्तर
Example: Hydrogen, Oxygen is made from atoms containing a single proton and a single electron.
APPEARS IN
संबंधित प्रश्न
Define mixture.
Choose the most appropriate answer
A solvent of Iodine is
Differentiate between:
Homogenous and heterogenous substances
What is meant by 2H and H2
Find the atomicity of the Following molecule:
Carbon Monoxide
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – two coloured gases (with their colours)
Select the correct answer from the choice in the bracket.
The least reactive metal.
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
Elements contain the ______of the same kind.
