Chemistry
Paper 1 | Objectives | 45 Questions
WASSCE/WAEC MAY/JUNE
Year: 2014
Level: SHS
Time:
Type: Question Paper
Answers provided
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Paper 1 | Objectives | 45 Questions
WASSCE/WAEC MAY/JUNE
Year: 2014
Level: SHS
Time:
Type: Question Paper
Answers provided
No description provided
This paper is yet to be rated
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| # | Question | Ans |
|---|---|---|
| 1. |
The shape of CH4 is A. linear B. planar C. pyramidal D. tetrahedral |
D |
| 2. |
The crystal layers in graphite are held together by A. covalent bond B. electrostatic forces C. ionic bond D. van der Waal's forces
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Detailed SolutionThe atoms in a given layer are held together by strong covalent linkages, but the forces between the layers are the weak van der waals forces |
|
| 3. |
Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a A. strongly electronegative atom B. non-polar species C. diatomic element D. complex ion |
A |
| 4. |
The two elements 11X and 19Y are in the same group because they have the same A. valence electrons B. ionization energy C. number of shell D. atomic size |
A |
| 5. |
Which of the following arrangements is in decreasing order of atomic radius? A. Li>Be>C> B. Li>B>Be>C C. Li>Be>B>C D. C>B>Be>Li |
C |
| 6. |
Which of the following processes is used in food preservation in an industry? A. Carbon dating B. Ieeadiation of gamma rays C. Nuclear fission D. Nuclear fusion |
B |
| 7. |
The electron configuration of 26Fe3+ is? A. [Ar]4s23d6 B. [AR]4s23d3 C. [AR]4s13d4 D. [AR]4s03d5 |
D |
| 8. |
Which of the following transition metals is not attracted to external magnetic field? A. Cu B. Fe C. Ti D. Zn |
A |
| 9. |
An atom W has 17 electrons and 18 neutrons. Which of the following representations of the atom is correct? A. 1718W B. 1817W C. 3517W D. 3518W
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Detailed SolutionThe superscript is the atomic mass = 35(The mass number also called atomic mass number or nucleon number, is the total number of protons and neutrons) The subscript is the atomic or proton number = 17 The number of electrons in a neutral atom is equal to the number of protons. |
Preview displays only 9 out of the 45 Questions