Identify the types of reaction mentioned above in (i) and (ii). Give one example for each type in the form of a balanced chemical equation.
A chemical reaction involves __________.
Only breaking of bonds
Only formation of bonds
Both breaking and formation of bonds
None of the given options
- This change alters the electrical conductivity of the reactant particle.
- This change increases the density of the reactant particles.
- This change increases the concentration of the reactant.
- This change exposes more reactant particles to possible collisions.
SO2 and SO3 represents the same compound.True/False
What does 2H2O represent?
2 molecules of water
6 atoms in total
6 atoms in total or 2 molecules of water
4 atoms in total or 2 molecules of water
Which of the following are correct with respect to chemical reactions?
(i) Chemical compositon changes
(ii) Formation of new products takes place
(iii) We can’t obtain the intial reactants by simple physical means like filtering, dissolving etc.
Formation of new products takes place
Chemical compositon changes
We can’t obtain the intial reactants by simple physical means like filtering, dissolving etc.
All of these
The atomicity of the molecule X2(ZYS4)3 is
Atomicity is the number of atoms present in a molecule.