Advertisements
Advertisements
प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Water
Advertisements
उत्तर
Step 1: Write the symbols of the radicals.
H O
Step 2: Write the valency below the respective radical.
H O
1 2
Step 3: Cross-multiply symbols of radicals with their respective valency.
Step 4: Write down the chemical formula of the compound.
संबंधित प्रश्न
Complete and balance the following chemical equations
NaCI + `AgNO_3` `→`
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)
The white particles of baking soda disappear when put in lemon juice. This means that it is a ______ change.
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
Give a chemical test to distinguish between the following gases.
HCl and Cl2
Distinguish by dilute sulphuric acid.
Sodium sulphide and sodium sulphite?
Select the correct answer for the following options:
The gas which reacts with oxygen to give a neutral liquid.
Name the solid residual product formed reaction and state its colour during – thermal decomposition of the following substance.
Calcium hydroxide.
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.
Write a word equation for the chemical change, if any.
We are advised to not to play with fireworks. Give reason.
Collect information about the types of fuels used for cooking in your area. Discuss with your teachers/parents/others which fuels are less polluting and why.
