1. Which of the following will not change the concentration of ammonia in the
equilibrium
N2(g) + 3H2(g)2NH₁(g);
H= -x kJ

2. If initial concentration of reactants in certain reaction is doubled, the half-life
period of the reaction doubles, the order of a reaction is

3. Metals will displace another metal from the solution of its salt if,

4. Anions are

5. Which of them are coinage metals?

6. In a reversible chemical reaction having two react at in equilibrium, if the
concentration of the reactants are doubled then the equilibrium constant will

7. An atom with atomic number 20 is most likely to combine chemically with the
atom whose atomic number is

8. The rate of reaction A + B Products is given by the equation r = k [A] [B]
If B is taken in large excess, the order of the reaction would be

9. Alkaline earth metals show standard electrode potential values which are
very similar to their alkali metals due to

10. Carbonates of Li are less stable than that of Na due to