WorksheetsGeneral Chemistry Final Exam
Total questions: 29
Worksheet time: 51mins
Which of the following is not a pure substance?
Water
Rust
Milk Tea
Diamond
Which of the following describes intensive property of matter?
2.00 kg
200.00 cm
1.00 g/mL
500.00 mL
Below are the steps of Scientific Methods. Arrange them sequentially.
A. Analyze your data and draw a conclusion
B. Construct a hypothesis
C. Do a background research
D. Observe and identify a problem
E. Experimentation
A,B,C,D,E
E,D,C,B,A
D,C,B,E,A
C,B,A,D,E
How many neutrons are present in an element with an atomic number of 6 and atomic mass of 12?
12
3
6
4
What kind of chemical formula tells which elements are present and the simplest whole number ratio of their atoms?
Empirical formula
Molecular formula
Ionic formula
Chemical formula
Name the given compound
Ferrous Chloride
Iron Chlorine
Ferric Chloride
Iron Chlorous
Which of the following is the correct chemical formula for aluminum oxide?
The following are heterogenous mixture, except:
Halo-Halo
Orange Juice
Adobo
Fruit Cake
What is the name of the ionic form of carbonic acid?
carbonite
carbonous
carbonara
carbonate
Which of the following is a strong electrolyte?
Acetic Acid
Water
Sucrose
Sodium Hydroxide
Which of the following compound will likely form a precipitate in water at room temperature?
What is the chemical formula of the precipitate formed when hydrochloric acid is added to silver nitrate?
In the reaction of hydrogen gas with chloride gas, which of the two is the oxidizing agent?
Chlorine
Hydrogen
Both
Cannot be determined
What type of chemical reaction is exhibited in this figure?
Combustion Reaction
Decomposition Reaction
Combination Reaction
Displacement Reaction
[Writing balanced chemical equations]
How many moles of potassium hydroxide is needed to react with carbon dioxide to form one mole of potassium carbonate and water?
In a clean sheet of paper with your COMPLETE NAME and BLOCK NUMBER, write the complete and balanced chemical reaction. Take a photo of it and send it to my messenger account. (5pts)
1
2
3
4
Silicone tetrachloride can be prepared by heating silicon in chlorine gas. In one reaction, 0.800 mole of silicon tetrachloride is produced. How many moles of molecular chlorine were used in the reaction?
In a clean sheet of paper with your COMPLETE NAME and BLOCK NUMBER, write the complete computation and box your final answer. Take a photo of it and send it to my messenger account. (5pts)
1.60 moles
1.01 moles
2.00 moles
0.80 moles
It is a mathematical relationship between pH, the pKa of a weak acid, and the concentrations of the weak acid and its conjugate base.
Acid-Base Relationship
Base-Conjugate Acid Equation
Henderson-Hasselbalch Equation
Chemical Equation
Which of the following is the conjugate acid of this base?
Which of the following is the conjugate base of this acid?
What do you call a solution that resists change in pH when limited amounts of an acid or a base are added to it.
Buffer
Acid
Base
Indicator
What do you call a solution that resists change in pH when limited amounts of an acid or a base are added to it.
Buffer
Acid
Base
Indicator
What is the pH of a solution containing equimolar content of phosphoric acid and sodium dihydrogenphosphate? (Hint: Check their pKa)
7.00
6.37
2.12
4.65
What is the pH of a phosphate buffer solution containing 1.0mol/L of sodium dihydrogen phosphate, NaH2PO4, and 0.50 mol/L of sodium hydrogen phosphate, Na2HPO4?
In a clean sheet of paper with your COMPLETE NAME and BLOCK NUMBER, write the complete computation and box your final answer. Take a photo of it and send it to my messenger account. (5pts)
4.52
6.54
7.00
6.91
A process wherein certain elements emit particles and/or electromagnetic radiation spontaneously.
Radioactivity
Transmission
Transmutation
Mutation
It uses electric and magnetic fields to increase the kinetic energy of charged species to induce a reaction.
Particle Degrader
Atom Converter
Particle Accelerator
Nuclear Transmutation
The process in which a heavy nucleus (mass number > 200) divides to form smaller nuclei of intermediate mass and one or more neutrons.
Nuclear Fusion
Nuclear Fission
Nuclear Break
Nuclear Destruction
A reaction wherein small nuclei combines to form larger ones.
Nuclear Fusion
Nuclear Fission
Nuclear Break
Nuclear Destruction
Determine the type of radiation emitted in this radioactive reaction.
What branch of Science deals with the study of matter and the changes it undergoes?
Biology
Chemistry
Biochemistry
Physics
