UI Chemistry 2012/2013 Past Questions

The oxidizing agent in the reaction, 3Br₂ + 6OH = BrO₃ + 5Br + 3H₂O is ...........

When heat is absorbed during a chemical reaction, the reaction is said to be

Given the reaction at equilibrium: 2CO(g) + O₂(g) 2CO₂(g) When the reaction is subjected to stress, a change will occur in the concentration of

Given the reaction at equilibrium: N₂(g) + O₂(g) 2NO(g) as the concentration of N₂(g) increases, the concentration of O₂(g) will

If a reaction is exothermic and there is a great disorder, it means that

In the chemical reaction of A + B = C + D, more of D is formed

In what way is equilibrium constant for the forward reaction related to that of the reverse reaction?

In which reaction will the point of equilibrium shift to the left when the pressure on the system is increased?

The furring of kettles is caused by the presence in water of .............

Which is a property of a reaction that has reached equilibrium?

Which of the following combination of conditions many increase the rate of a chemical reaction.

"Quicklime" has the formula ........

A Transition metal is different from a non-transition metal because

Chlorine is produced commercially by

Chlorine, bromine and iodine resemble one another since they .........

Liquid oxygen may be produced by condensation of air using this coolant

One of these is another form of oxygen

One of these metals is not an alkali metal

One of these reactions represents the laboratory preparation of hydrogen.

The formation of ozone by reaction of O2 with atomic oxygen in UV light occurs in

The halogen which is chiefly produced commercially from sea water is

The most stable allotropic form of sulphur at normal conditions is

The products obtained when the following chemical reaction is completed and balanced are. HNO3 + Ca(OH)2 ⟶ .............

What is the role of iron and Aluminium oxide in ammonia production?

When carbon IV oxide is bubbled through lime water, the solution becomes milky due formation of