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
State whether the following statement is true or false. In case a statement is false, write the corrected statement.
Formation of manure from leaves is a physical change.
Explain the following reaction with one suitable example of Displacement reaction.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
Explain by writing a word equation.
Limestone powder disappears on adding to dilute hydrochloric acids.
Give reason for the following:
Molybdenum is used in the manufacture of ammonia.
State the original colour of the following substance and colour of residue obtained after heating.
Ammonium dichromate
Give a chemical test to distinguish between the following gases.
SO2 and Cl2
Write word equations for two chemical reactions with the help of materials given in the box.
| Air, copper sulphate, iron, vinegar, iron oxide, carbon dioxide, iron sulphate, copper, lime water, water |
The chemical formula of rust is ______.
Which is used as a catalyst during the process of hydrogenation of oils?
