If a solid has a low melting point and dissolves readily in benzene, it would probably
2
Which of the following molecules is linear in shape?
3
Which of the following cannot be deduced from the electronic configuration of a transition metal?
4
What is the percentage by mass of copper in copper in copper (l) oxide (CU 2 O)? [O = 16; CU =64]
5
A weak acid is one which
6
Which of the following species is always present in acidified water?
7
The most suitable method for preparing lead (ll) chloride is by
8
A positive brown ring test indicates the presence of
9
Consider the reaction represented by the equation below: XO + YO → X + YO 2 In the reaction, YO acts as
10
Alums are classified as
11
Sodium chloride cannot conduct electricity in the solid state because it
12
What mass of copper will be deposited by the liberation of Cu 2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]
13
What mass of copper will be deposited by the liberation of Cu 2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]
14
Which of the following is not correct of the reaction represented by the equation below? 2C (s) + O 2(g) → 2CO (g) ; ∆H = - xKJ
15
H 3 O + (aq) + OH- (aq) → 2H 2 O (l) . The heat change accompanying the process represented by the equation above is the heat of
16
The following statements about graphite are correct except that it
17
Which of the following is hydrocarbons is unsaturated?
18
The following can be obtained directly from the destructive distillation of coal except
19
Fructose and glucose are classified as carbohydrates because they
20
The gas produced when a mixture of sodium propanoate and soda lime is heated is
21
In which of the following processes are larger molecules broken down into smaller molecules?
22
The following alkanols will yield alkanoic acids on reacting with excess acidified K2Cr2O7 except
23
Which of the following is an alloy of mercury?
24
The function of limestone in the extraction of iron in the blast furnace is
25
Metals which react with steam only when they are red-hot include
26
Copper (ll) tetraoxosulphate (VI) is often added to swimming pools because it
27
The following salts dissolve readily in cold water except
28
What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid reacted with excess zinc according to the following equation? Zn (s) + 2HCI (aq) → ZnCI 2(aq) + H 2(g)
29
What is the amount (in mole) of hydrogen gas that would be produced if 0.6 mole of hydrochloric acid reacted with excess zinc according to the following equation? Zn (s) + 2HCI (aq) → ZnCI 2(aq) + H 2(g)
