Advertisements
Advertisements
प्रश्न
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
Advertisements
उत्तर
| Chemical fromula | Elements present | ||
| a. | Sodium chloride | NaCl | Sodium (Na), Chlorine (Cl) |
| b. | Potassium hydroxide | KOH | Potassium (K), Oxygen (O), Hydrogen (H) |
| c. | Carbon-di-oxide | CO2 | Carbon (C), Oxygen (O2) |
| d. | Calcium oxide | CaO | Calcium (C), Oxygen (O2) |
| e. | Sulphur dioxide | SO2 | Sulphur (S), Oxygen (O2) |
APPEARS IN
संबंधित प्रश्न
Select the correct alternative from the choices given for the following statement:
A set of mixture is
Write true or false
The constituents of a mixture can only be separated by chemical means.
Name the elements present in Ammonia
What is the proportion of element present in the following compound?
NO2
Write the molecular formulae of compound lead sulphide.
Give the example of a compound containing nitrogen and oxygen.
Select the correct answer from the choice given below.
A compound
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to the term
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to properties
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is known to form the largest number of compounds.
