2.
Substance Q reacts with cold water to form a solution which turns red litmus blue?
Substance Q could be
4.
Fructose and glucose are isomers with a molecular formula C6H12O6. Which of these statements is true of both?
5.
Substance q reacts with cold water to form a solution which turns red litmus blue.
Substance q could be?
6.
What is the effect of using vanadium(v)oxide as catalyst in the reaction represented by the following equation?
2SO2(g) + O2(g) ↔ 2SO3(g); ∆H = -xKj/mol
7.
If two metallic ions of the same concentration migrate to a graphite cathode, the one that would be preferentially discharged, is the one that has
8.
In galvanizing iron, the metal which coats the iron is
9.
Water gas is a mixture of?
10.
What volume of distilled water would be added to 30cm³ of 18mol/dm³ HCl in order to dilute it 20 times? [ H=1, Cl=35.5, M.V=22400cm³]
11.
Which of the following decreases when a given mass of gas is compressed to half its initial volume?
12.
An atom is electrically neutral if the number of
13.
The loss of molecules of water of crystallization to the atmosphere by some crystalline salt is known as
15.
Allotropes of an element differ in their?
16.
What volume of propane is left unreacted when 20cm³ of oxygen reacts with 20cm³ of propane?
17.
A measure of the degree of disorder in chemical system is known as
18.
The condition for spontaneous reaction is
19.
In the reaction, E + F ↔ G + H, the backward reaction is favoured if the concentration of
20.
When ammonium chloride is dissolved in water in a test tube, the test tube feels cooler showing that
