| What to create | Exam |
| Which subject | Chemistry |
| What age group | Year or Grade 11 |
| What topic | Year Exam |
| Question types | Mixed |
| Number of questions | 30 |
| Number of answers | 10 |
| Correct answers | Exactly 1 |
| Show correct answers | |
| Use images (descriptions) | |
| Any other preferences |
Please answer all questions to the best of your ability. Each question may either require a written response or select from multiple-choice answers.
What is the atomic number of Carbon?
Which of the following compounds is an example of an alkane?
A. C2H4
B. C3H8
C. C2H5OH
D. CH3COOH
E. C7H8
F. C4H10
G. C2H2
H. C6H12O6
I. C5H5N
J. C5H12
Define an electrolyte and provide one example.
What is the pH value of a neutral solution at 25°C?
Which of the following elements is a noble gas?
A. Nitrogen
B. Oxygen
C. Argon
D. Fluorine
E. Chlorine
F. Hydrogen
G. Helium
H. Lithium
I. Carbon
J. Boron
Describe what a catalyst does in a chemical reaction.
What is the molar mass of water (H2O)?
Which of the following is not a strong acid?
A. HCl
B. H2SO4
C. HNO3
D. HF
E. HBr
F. H3PO4
G. CH3COOH
H. HClO4
I. HClO3
J. H2Se
Explain the difference between a covalent bond and an ionic bond.
What is Avogadro's number?
Which of the following describes the process of electrolysis?
A. A reaction involving the transfer of electrons
B. The breaking down of a compound using electricity
C. A reaction that produces heat
D. A gas formation process
E. A reaction that absorbs light
F. A process of filtration
G. The combination of two solids
H. A reaction that does not involve energy
I. A catalytic process
J. A method to mix immiscible liquids
Identify the main product of the combustion of hydrocarbons.
Which of the following is an example of a nonpolar molecule?
A. H2O
B. NH3
C. CO2
D. CH4
E. HCl
F. NaCl
G. CCl4
H. HF
I. C2H5OH
J. NaHCO3
Explain the concept of equilibrium in a chemistral reaction.
How many valence electrons does Sodium (Na) have?
Which of the following is a property of metals?
A. Brittle
B. Good conductors of electricity
C. Dull surface
D. Non-malleable
E. Poor conductors of heat
F. Low melting point
G. Low density
H. Non-lustrous
I. High ionization energy
J. High electronegativity
What does the term 'oxidation' refer to in a chemical reaction?
Which of the following compounds contains an ester functional group?
A. CH3COOH
B. C2H5OH
C. CH3COOCH3
D. CH4
E. H2O
F. C6H12O6
G. C2H6
H. CH3-CH2-COOH
I. CH3-CH2-OH
J. C3H7NO
Describe Le Chatelier's principle.
Which of the following is considered a strong base?
A. NaOH
B. LiCl
C. NH4OH
D. K2SO4
E. CH3COOK
F. H2SO4
G. HCl
H. CaCO3
I. Ca(OH)2
J. NaHCO3
What is the role of a buffer in a chemical system?
What is the chemical formula for sulfuric acid?
Which of the following reactions is an example of a decomposition reaction?
A. 2H2 + O2 → 2H2O
B. 2Na + Cl2 → 2NaCl
C. 2H2O → 2H2 + O2
D. NaHCO3 → Na2CO3 + CO2 + H2O
E. CH4 + 2O2 → CO2 + 2H2O
F. C3H6 + 9O2 → 6CO2 + 6H2O
G. N2 + 3H2 → 2NH3
H. CaO + H2O → Ca(OH)2
I. H2 + Cl2 → 2HCl
J. C4H10 + 13O2 → 8CO2 + 10H2O
What is the main distinction between an endothermic and exothermic reaction?
What is the empirical formula for glucose (C6H12O6)?
Which part of an atom has a positive charge?
A. Electrons
B. Neutrons
C. Protons
D. Nucleus
E. Shell
F. Orbital
G. Ion
H. Compound
I. Molecule
J. Isotope
Describe what a saturated solution is.
Which type of bond is formed between sodium and chlorine in sodium chloride (NaCl)?
A. Covalent bond
B. Ionic bond
C. Metallic bond
D. Van der Waals forces
E. Hydrogen bond
F. Coordinate bond
G. Polar covalent bond
H. Network covalent bond
I. Sigma bond
J. Pi bond
How does temperature affect the rate of a chemical reaction?
What is the net ionic equation for the reaction between sodium sulfate and barium chloride?