Chemistry Quiz!
Name: ________________
The following assessment is designed with the NIOS secondary science and
technology Module 2: Matter in our Surroundings. It covers the following topics in
the context of what we have covered so far, and not the whole module.
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•
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Atomic structure
Periodic table
Ionic vs covalent bonds
Valency
Types of reactions
Acids and bases
The breakup of marks is shown below, and is roughly scaled down from the NIOS
question paper design. To emulate the time constraints of a formal exam, students
should aim to complete this quiz within 30 minutes.
Question
1
2
3
4
5
6
7
8
Bonus
Total
Type
Multiple Choice
Multiple Choice
Multiple Choice
Objective Type (Match the following)
Objective Type (Fill in the blanks)
Objective Type
Short Answers
Short Answers
Mystery
Marks
1
1
1
2
3
3
3
3
???
20
Attempt every question, and leave them until the end if you get stuck!
Good luck and have fun!
1
Multiple Choice Questions:
1. Which of the following is generally stable and does not form
compounds? [1]
a. Sodium
b. Potassium
c. Neon
d. Chlorine
2. The electronic configuration of an element is 2, 5 how many
covalent bonds will it make in a stable molecule? [1]
a. 1
b. 3
c. 5
d. 7
3. The diagram shows the structure of the
compound named acetone. It is the
main ingredient in nail polish remover.
How many electrons are shared between the central carbon atom
and the oxygen atom in acetone? [1]
a. 2
b. 4
c. 6
d. 8
2
4. Match the following types of reactions to their respective
examples. [2]
Type of reaction
Reaction
1. Combination
a. H2CO3 → H2O + CO2
2. Decomposition
b. ZnSO4 + Ca → CaSO4 + Zn
3. Displacement
c. Mg + O2 → MgO
4. Double Displacement
d. AgNO3 + NaCl → AgCl + NaNO3
5. Fill in the blanks from the word banks in each
question: [3]
a. An acid and a base react to form a
___________ (molecule / salt / colloid ) and water.
b. The name of the table on the right is called the:
___________ (reactivity / reaction / reactive) series.
c. When dissolved in water, an acid releases
_________
(H3O+ / OH- / Cl-) ions and a base releases
___________ (H3O+ / OH- / Na+) ions.
3
6. Answer the following questions based on the formula below: [3]
K + H2 O →
a. Is this reaction likely to occur? Explain why or why not.
b. If the reaction occurs, write the products. If not, write the
chemical formula for Aluminum Sulphate.
c. What kind of bond(s) are formed in the compound(s) in part b?
4
7. Draw the atomic structure of the atoms and show the sharing or
transfer of their electrons in the following: [3]
a. H2O
b. MgO
5
8. Balance the following reactions: [3]
a. Na + O2 → Na2O
b. Rb + S8 → Rb2S
6
BONUS QUESTION!
Chances are you remember some facts that weren’t asked on this quiz!
Write any relevant facts about the following topics for up to [3] marks!
• Atomic structure
• Periodic table
• Ionic vs covalent bonds
• Valency
• Types of reactions
• Acids and bases
IF YOU FINISH EARLY, write the reason for your answer to the
multiple choice questions. Or don’t, congratulations on making it to the
end of this quiz!
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