The components of universal indicator solution can best be separated by
2
The number of replaceable hydrogen atoms in one acid indicates its
3
Catalytic hydrogenation of alkenes produces compounds with the general formula
4
A measure of the degree of disorder in a chemical system is known as the
5
In any chemical reaction, the total mass of the products is always equal to that of the reactants. This is statement of the law of
6
Which of the following is not a property of magnesium oxide?
7
Which of the following would increase the rate of reaction of chips of a metal M as shown in the equation below? M (s) + 2HCI (aq) → MCI 2(aq) + H 2(g)
8
The oxidation number of phosphorus in \(PO_4^{3-}\) is
9
The number of atoms in 1.2g of carbon - 12 isotope is
10
Tetraoxosulphate (lV) acid is described as strong acid because it is highly
11
The following will decolourize acidified potassium tetraoxomanganate (VII) solution except
12
Polyatomicity is illustrated by molecules of
13
Calcium is usually extracted by the electrolysis of its
14
When naphthalene on heating changes from the solid state directly to the gaseous state it undergoes
15
Which of the following occurs when an aqueous solution of sodium hydroxide is electrolysed using graphite electrodes?
16
If the volume of a given mass of gas at 0 o C is 27.3cm 3 , what will be the volume of the gas at 10 o C, pressure remaining constant?
17
Glucose can be obtained from starch by
18
How many faradays of electricity are required to liberate 9g aluminium? (AI = 27)
19
When water is dropped on calcium carbide, the gaseous product is an
20
Mg\(_2\) + 2HCI\(_{(aq)}\) → MgCI\(_{2(g)}\) + H\(_{2(g)}\). From the equation above what mass of hydrogen would be produced if 12.0 g of magnesium reacted completely with dilute hydrochloric acid? (H = 1, Mg = 24)
21
The positive of an element in the Periodic Table is determined by
22
Which of the following electronic structures belongs to a noble gas?
23
In a chemical reaction, the reacting species possess energy of motion known as
24
The following compounds will decompose on heating except
25
Which of the following reactions is accompanied by the first ionization energy of an element X?
26
What is the molar of hydrogen sulphide gas in the reaction H 2 SO 4(aq) + 3H 2 S (g) → 4S (s) + 4H 2 O (l) n represented by the following equation?
27
Alkanols have unexpectedly high boiling points relative to their molar masses because of intermolecular
28
Sodium chloride is used in the following processes except in the
29
The gaseous product formed when ammonia is passed over heated copper (ll) oxide is
30
Which of the following is not a halogen?
31
Which of the following is likely to have the highest degree of hardness?
32
Study the reaction represented by the equation: Alkanol + Alkanoic acid + conc. H\(_2\)SO\(_4\) → Alkanoate + water. The type of process involved in the reverse reaction is
33
Destructive distillation of coal means
34
When magnesium ribbon burns in air, the products are
35
The following compounds contain the same type of bonds except
36
What is the molar mass of an alkyne with the formula C x H 14 ? (H = 1, C = 12)
