Advertisements
Advertisements
प्रश्न
Give two examples of the following:
Solid + Liquid mixture
Advertisements
उत्तर
Solid + Liquid mixture :
- Sand and water,
- Charcoal and water.
APPEARS IN
संबंधित प्रश्न
Why is the symbol S for sulphur, but Na for sodium and Si for silicon?
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Copper by ‘Cu’
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
Select the correct answer from the choice given below.
The symbol of mercury is
Give the symbol of the following element:
Arsenic
Give the symbol of the following element:
Antimony
State the type of element for the following:
Aluminium
Give the formula of the following gas:
Hydrogen chloride
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
What is the rarest natural element on the earth?
