Advertisements
Advertisements
प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Sodium chloride
Advertisements
उत्तर
Step 1: Write the symbols of the radicals.
Na Cl
Step 2: Write the valency below the respective radical.
Na Cl
1 1
Step 3: Cross-multiply symbols of radicals with their respective valency.
Step 4: Write down the chemical formula of the compound.
संबंधित प्रश्न
TRUE \ FALSE
Temperature at which a liquid starts boiling is known as the boiling point of that liquid. True or false ?
State the type of reactions for the following represent and balance the ones that are not balanced.
NaOH + HCl → NaCl + H2O
Give a word equation for the following reaction.
A compound which on heating shows – colour change from brown to yellow.
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II | ||
| 1. | \[\ce{XY⇌[heat]X + Y}\] | A: | Displacement reaction |
| 2. | \[\ce{XY->X + Y}\] | B: | Double decomposition |
| 3. | \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] | C: | Endothermic reaction |
| 4. | \[\ce{X + YZ->XZ + Y}\] | D: | Thermal dissociation |
| 5. | \[\ce{X + Y->[heat]XY -\Delta}\] | E: | Decomposition reaction |
______ is a natural indicator.
Vanaspati is obtained from vegetable oils by the addition of ______ to the oils.
The chemical formula of rust is ______.
How can we prevent rusting?
Chemical changes are important in our day-to-day life. Give examples.
What is the difference between reactants and products?
