Chemistry
Paper 1 | Objectives | 50 Questions
WASSCE/WAEC MAY/JUNE
Year: 2015
Level: SHS
Time:
Type: Question Paper
Answers provided
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Paper 1 | Objectives | 50 Questions
WASSCE/WAEC MAY/JUNE
Year: 2015
Level: SHS
Time:
Type: Question Paper
Answers provided
No description provided
This paper is yet to be rated
Apply tips for stress-free eating before and during exams and what to avoid for good grades.
Make sure you study hard but not into the late-night hours to give your body the enough rest you need.
The goal of mocks tests is to create a bench-marking tool to help students assess their performances.
| # | Question | Ans |
|---|---|---|
| 1. |
The negatively charged particle in an atom is the A. Electron B. Neutron C. Positron D. Proton |
A |
| 2. |
How many orbits are contained in an atom with atomic number 13? A. 7 B. 6 C. 5 D. 3 |
D |
| 3. |
The Van der waals' forces are dominant intermolecular forces in_______? A. Ammonium chloride B. Chlorine C. Sodium chloride D. Water |
B |
| 4. |
The compound formed between 14X and 16Y is _______? A. XY B. XY2 C. X2Y D. X4Y6 |
B |
| 5. |
The shape of a molecule of water is _______? A. Non-linear B. Octahedral C. Pyramidal D. Tetrahedral |
A |
| 6. |
A metallic ion Z2+ with an inert gas structure contains 18 electrons. How many protons are contained in this ion? A. 20 B. 18 C. 16 D. 2 |
A |
| 7. |
Which of the following pairs of elements forms amphoteric oxides? A. Be and Mg B. Na and K C. B and Al D. Si and Pb
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Detailed SolutionMetal oxides which react with both acids as well as bases to produce salts and water are known as amphoteric oxides.Many metals (such as zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. |
|
| 8. |
Which of the following pairs of compounds belongs to the same homologous series? A. C3H8 and C3H6 B. C4H10 and C5H10 C. C2H4 and C4H10 D. C2H6 and C4H10
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Detailed Solutionboth ethane and butane are in the same homologous series.( alkanes) |
|
| 9. |
The following transition metal ions would be coloured in aqueous solution except________? A. Cr3+ B. Fe3+ C. Mn3+ D. Sc3+ |
D |
| 10. |
The gas given off when ethanol reacts with sodium is A. Carbon(IV)oxide B. Hydrogen C. Methane D. Oxygen |
B |
Preview displays only 10 out of the 50 Questions