MAGME SCHOOL OF BANKING
Class Room - Daily Dose Booklet
DDB NO: Chemistry 02
1 d. displacement reaction
2 a. ZnO + Cà Zn + CO
3 a. a detergent is dissolved in water
4 c. both oxidation and reduction occur together
5 b. –d[A]/dt
6 d. the concentration of the reactant decreases
7 a. magnesium ribbon reacts faster in hydrochloric acid
8 b. dissolution of calcium carbonate in hydrochloric acid at 40oC
9 a. HCl and HNO3
10 d. hydrochloric acid is a stronger acid than acetic acid
11 b. 2 and 3
12 a. A is a stronger acid than B
13 c. hydrochloric acid
14 d. Sodium oxide, magnesium hydroxide
15 d. Adding sodium hydroxide to a calcium oxide
16 a. An aqueous solution of HCl pf 10-3 M
17 c. Toothpaste is alkaline while both tomato and lemon juice are acidic
18 d. 9
19 d. All the above
20 a. combination
21 a. double decomposition
22 a. precipitation
23 b. catalyst
24 a. powder calcium carbonate
25 b. remain red
26 a. 7
27 b. 1 M NaOH
28 a. Fe (OH)2
29 b. O2 and NO2
30 a. chromium trioxide
31 a. Pb + CuCl2 à PbCl2 + Cu
32 a. Powdered calcium carbonate
33 c. acetic acid
34 a. formic acid
35 c. 3
36 d. tartaric acid
37 c. Al (OH)3
38 a. 3
39 b. 5
40 c. lemon juice
41 d. 7.4
42 b. basic salt
43 d. HCl
44 b. alkaline
45 b. electrons
46 b. exothermic
47 c. catalyst
48 b. black
49 b. 11
50 c. HNO3
51 a. hydrochloric acid
52 b. carbonic acid
53 c. magnesium hydroxide
54 c. Ammonium hydroxide
55 b. reduction
56 b. exothermic
57 a. endothermic
58 b. tartaric acid
59 b. H3PO4
60 c. 7.35 – 7.45
61 a. a straight line
62 c. atomic number
63 b. 2 and 3
64 c. 11 to 18
65 b. 8
66 d. contains elements from potassium to krypto
67 c. sixth period
68 a. first group and second group
69 b. transition elements
70 c. The size of the atom increases along a period
71 a. Copper, Silver and Gold
72 b. Fe
73 c. Haematic, Clay
74 b. Na3AlF6
75 c. Al
76 a. a mixture of cuprous sulphide and ferrous sulphide
77 c. nitrogen dioxide
78 b. Haematite ore is concentrated by gravity separation
79 b. Cu
80 c. Fe2O3 + 3CO 3Fe + 3Co2
81 a. 7
82 c. mercury
83 c. 2, 8, 14, 2
84 b. (22/24) x100
85 a. ore
86 d. aluminium
87 b. forth floatation
88 c. atomic number
89 b. alkaline earth metals
90 b. iron pyrites
91 d. rusting
92 b. wrought iron
93 c.Fe3O4
94 a. electrolyte
95 a. Magnalium
96 b. rust
97 d. lead
98 a. flux
99 c. uranium
100 c. Bauxite
101 a. Aluminium
102 c. Helium
103 c. Al2O3 2H2O
104 b. 1s2 2s2 2p2 , 4
105 d. weak vander Waals force of attraction
106 c. its small size
107 c. The valency of carbon is always four
108 c. ethyne, propyne, but-l-yne
109 c. CHO
110 c. propanone
111 a. –OH
112 c. but-l-ene and but-2-ene
113 d. Methanol and butanol
114 b. CH3COCH3
115 b. ethanoic acid
116 b. intra molecular dehydration
117 b. CH2 = CH2
118 b. CH3CH2OH
119 c. dehydrogenation
120 b. heating sodium ethanoate with soda lime
121 c. 1 and 2 only
122 d. acetylene
123 b. ethene and ethyne
124 b. ethane
125 b. 95% ethanol and 5% water
126 b. ethane
127 b. ammonium sulphate
128 b.C2H6
129 d. ethanoic acid
130 d. –COOH
131 b. Berzelius
132 a. Wohler
133 b. 105
134 d. 60
135 a. hydrogen
136 d. 30%
137 b. fermentation
138 b. zymase
139 a. C2H2
140 b. Graphite
141 a. covalent
142 b. similar
143 c. CnH2n-2
144 b. propane
145 c. ethanol
146 a. CH4
147 c) 11.2 L
148 a) 12g of C12
149 a) 22.4 L
150 c) 8g of the oxygen
151 b) 8
152 a) One mole
153 c) One mole of Sodium
154 b) 8.0g methane
155 a) 2.0g hydrogen
156 b) 6C12
157 a) 1L each of SO2 and CO2
158 a) 4 g of S
159 d) 10 gm-molecule
160 c) MCl2
161 b) X2Y
162 a) propene
163 a) 53 g of Na2CO3
164 (d) It contains isotopes
165 (a) Exclusion principle
166 (a) 4p orbital
167 (d) Hund’s rule
168 (c) 3
169 (b) Neutrons and protons
170 (b) An electron
171 (c) Hydrogen
172 (d) +3,+2, +1,0, -1,-2,-3
173 (d) n = 2, l =1
174 (c) 17, 17, 20
175 (d) 2n2
176 (c) The orientation of the orbital in space
177 (c) p-block
178 (b) s and p-blocks
179 (b) Flourine
180 (b) Cl
181 (b) Noble gases
182 (d) Strength as a reducing agent.
183 (d) Inert gases.
184 (a) Chlorine, bromine and iodine
185 (d) Newland
186 (a) Ionization enthalpy
187 (e) LiCl.
188 (b) Ba (OH) 2
189 (c) Fluorine
190 (a) Na
191 (b) Lithium
192 (d) Fluorine
193 (a) Electropositive
194 (c) Francium
195 (b) p-block
196 (a) Greater
197 (c) Mg, Na, K, Rb
198 (d) Dobereiner
199 (a) d-orbitals
200 (a) Na