Chemistry Examination Question for Senior Secondary School (SS1)


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1.     The ability for carbon to form long straight and  branch chain
compounds is termed (A) catenation (B) Functional group (c) cokation (D)
2.     How many moles of calcium trioxocarbonate (IV) are there in 5.0g of calcium
trioxocarbonate (iv)?  A)            0.005 B)  0.05 C)  0.5 D) 5.0 E)  10


3.     A base that is soluble in aqueous solution is termed  (A)Acid B)  Alkalis     C)  salt D)  Crystals
4.     Acid that are synthesized from plant and animal matters  are ( A)
Inorganic acid( B) Arenic acid (C) Organic acid (D) Organo metallic acid
5.     The variation of the physical and chemical properties of element both across the
period and down the group of the periodic table is termed? (A) Periodicity
(B) Periodic law (C) Periodic table (D)Periodic moment
6.     The smallest particle of a substance which can take part in a chemical reaction
is (A) Atom (B) Matter (C) Molecules (D)ions


7.     The valency of Oxygen atom in a neutral state is (A) -2 (B)+2 (C)2 (D)1
8.     How many Valence electrons are found in the outermost shell of  Chlorine
atom (A) 17 (B)10 (C)7 (D)70
9.     Elements in the same group in the periodic table possess (A) Variable oxidation state (B) Similar chemical and physical properties (C)The same number of octet
configuration (D)The same number of ionic electrosphere
10.   Determine the Oxidation state of Sulphure in SO42-  (A)-6 (B) +5 (C)+6 (D)3
11.  Hard coal is also known as  (A)Bituminous coal (B) Anthracite coal
(c)Brown coal(D)Lignite coal
12. The process whereby coal is decomposed under high temperature in the absence of
air to exclude volatile components is termed  (A)Carbonization(B)Destructive distillation of coal (C)Catenation (D) wood destructive alination
13.    The colour of blue litmus paper in an Acid medium is (A)Red (B)Blue (C)Purple
14.        ——–and ——– are classified as Fuel gas (A) Water gas and carbonization
gas(B) Water gas and mineral gas(C) producer gas and steam gas (D) Water gas
and producer gas
15.     The element whose electronic configuration is 1s2 2s2 2p6 is
(A) Carbon (B)Nitrogen (C)Sulphure (D)Neon
16.    The element whose electronic configuration is 1S2 2S2 2P6 3S2 belongs
to which period and group in the periodic table (A)Period 2 group 5 (B)
Period 3 group 2 (C)Period 2 group 2 (D) Period 3 group 3
17.    The  number of replaceable hydrogen ions or atom in a corresponding acidic compound is referred to as (A) Acidity (B) Basicity (C) Alkalinity (D) Neutrality
18.   A salt which when exposed to the atmosphere loses it water of crystallization
is termed (A) Efflorescence salt (B) Hygroscopic salt (C) Deliquescent salt
(D) Anhydrous salt
19.       When an acid reacts reversibly with a base to form salt and water, the reaction is termed (A)Oxidation reaction (B)ionization reaction (C) Reversible reaction
(D)Neutralization reaction
20.      What is the  common name for H2SO4 (A)  Dihydrogen
tetraoxosulphate (VI) Acid (B) Sulphuric acid (C) Acid hydrogen sulphide (D)
Hydrogen tetraoxosulphate (VI) acid
21.          Which  group of elements are regarded as halogens in the periodic table  (A)
Group 1 (B) Group 2 (C)Group 7 (D) Group 0
22.           Diamond is very hard and unreactive because
                a. It is ionic  b. each carbon atom is covalently bonded to four other
carbon atoms    c. It has strong hydrogen bond between
the carbon atom   d. it has a high melting point
        23. Which of the following acids can form both acid salt and normal salt
                a. Conc HNO3    b. dil Hcl  c. dil H2SO4  d.Conc CH3CooH
         24. When an element exist in two or more forms in the same physical state, the
element is said to exhibit    a.Isotope   b. Isomerism   c. Allotropy    d.
         25. Water gas is mixture of                 a. CO2 and H2    b. CO and H2O
                c. CO and N2      d. CO and H2
SECTION B (Theory)
INSTRUCTION:  Answer four questions only
1. What is an acid?
(a)  State three physical properties of an acid
(b) List 3 methods of preparing Acid in the laboratory
(c) What are acid anhydrides? Give 4 examples, and show how they are used to produce acid.
2. How can coke be synthesized or produced from coal
(b) List 4 uses of graphite
(c) List 4 uses of Diamond and explain why diamond does not conduct electricity
3. Define the term allotropy
(b) What is neutralization reaction?
(c) Differentiate between acid salts and Basic salt with examples
4. Define water of crystallization
(b) Define the following
(i) Normal salt (ii) hygroscopic salt (iii) mole
5. List the different stages or type of coal
(b) State 3 uses of wood charcoal
 (C) State three physical properties of alkali



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