What is the general form of a chemical reaction?
Basic Chemistry Quiz

Quiz
•
Chemistry
•
12th Grade
•
Medium
Balaji Panneerselvam
Used 30+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Reactants ↔ Products
Reactants → Products
Reactants + Products → Energy
Products → Reactants
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Describe the trend in atomic radius across a period in the periodic table.
The atomic radius fluctuates randomly across a period.
The atomic radius decreases across a period.
The atomic radius increases across a period.
The atomic radius remains constant across a period.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the difference between a strong acid and a weak acid?
Strong acids are always more concentrated than weak acids.
Weak acids have a higher pH than strong acids.
Strong acids do not conduct electricity in solution.
Strong acids fully dissociate in solution; weak acids partially dissociate.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
State the first law of thermodynamics.
Energy cannot be created or destroyed, only transformed.
Energy can only be created from matter.
Energy can be created and destroyed.
Energy is always conserved in a closed system.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the role of a catalyst in a chemical reaction?
A catalyst speeds up a chemical reaction by lowering the activation energy.
A catalyst changes the products of a chemical reaction.
A catalyst is a substance that is consumed in a chemical reaction.
A catalyst slows down a chemical reaction by increasing the activation energy.
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How does electronegativity change down a group in the periodic table?
Electronegativity decreases down a group.
Electronegativity increases down a group.
Electronegativity fluctuates randomly down a group.
Electronegativity remains constant down a group.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Explain the Bronsted-Lowry theory of acids and bases.
The Bronsted-Lowry theory defines acids as substances that can neutralize bases.
Acids are substances that increase the pH of a solution, while bases decrease it.
The Bronsted-Lowry theory states that acids are proton donors and bases are proton acceptors.
Acids are electron donors and bases are electron acceptors.
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