General Chemistry 1 Summative Test (Final) PDF - Naga National High School

Summary

This is a general chemistry 1 summative test from Naga National High School, Philippines, taken on November 14, 2024. The test contains multiple choice questions covering various topics of general chemistry, including the structure and function of nucleic acids, properties of polymers, various chemical reactions (substitution, addition, combustion, condensation), and molecular geometry.

Full Transcript

![](media/image2.png) Region VII -- Central Visayas DIVISION OF CITY SCHOOLS CITY OF NAGA, CEBU NAGA NATIONAL HIGH SCHOOL-SHS \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ GENERAL CHE...

![](media/image2.png) Region VII -- Central Visayas DIVISION OF CITY SCHOOLS CITY OF NAGA, CEBU NAGA NATIONAL HIGH SCHOOL-SHS \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ GENERAL CHEMISTRY 1 SUMMATIVE TEST (final) 11-14-2024 Name: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Date: \_\_\_\_\_\_\_\_\_\_\_\_ Section: \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ Score: \_\_\_\_\_\_\_\_\_\_\_\_ MULTIPLE CHOICE Directions: Write the letter of the correct answer. 1\. What is the primary function of nucleic acids? A. To provide quick energy for cellular activities. B. To serve as structural components in cells. C. To store and transmit genetic information. D. To form cell membranes and store energy. 2\. Which macromolecule is made up of nucleotides? A. Protein B. Lipid C. Carbohydrate D. Nucleic acid 3\. Which is termed as the blueprint of life? A. Deoxyribonucleic acid C. Fatty acid B. Nucleic acid D. Ribonucleic acid 4\. Atom is the basic unit of a chemical element. What are the atoms that make up carbohydrates? A. C and H B. C, H and N C. C, H and O D. C, H, O and N 5\. This is the extent to which the plastic affects light as it passes through the polymer. A. Refractive index C. Tensile strength B. Resilience D. Elastic modulus 6\. Refers to the tendency of a polymer to pass extraneous materials. A. Crystallinity C. Permeability B. Resilience D. Crystallinity 7\. Which of the following properties of polymer refers to the extent to which the polymer expands or contracts when heated or cooled. A. Heat capacity/Heat conductivity C. Resilience B. Thermal expansion D. Permeability 8\. What is the process called in which monomers are chemically bonded to form a polymer? A. Hydrolysis C. Polymerization B. Decomposition D. Reduction 9\. Which of the following types of bonds typically link monomers together in a polymer? A. Ionic bonds C. Hydrogen bonds B. Covalent bonds D. Metallic bonds 10\. What is a common by-product of condensation polymerization? A. Carbon dioxide B. Oxygen C. Water D. Ammonia1 11\. The following reaction is an example of the type in which an atom or group on the molecule is replaced by another atom or group. ![](media/image4.png) **+ Cl~2~** **+ HCl** A. Elimination reaction C. Addition reaction B. Substitution reaction D. Rearrangement reactio 12\. This is a type of reaction in which an organic compound reacts with oxygen, O~2~ and releases heat. ![](media/image6.png) ![](media/image8.png) ![](media/image10.png) ![](media/image12.png) A. Condensation Reaction C. Saponification Reaction B. Combustion Reaction D. Rearrangement Reaction 13\. Which of the following reagent is needed to convert fatty acids into soaps? A. NaOH C. NaHCO~3~ B. KMnO~4~ D. O~2~ 14\. The molecular formula C~3~H~6~O represents an aldehyde and ketone, is a type of \_\_\_\_. A. Chain isomerism C. Position isomerism B. Functional isomerism D. Stereoisomerism 15\. Which of the following is an isomer of ethanol, (CH~3~CH~2~OH)? A. Acetone, Acetone \| Structure, Uses & Formula - Lesson \| Study.com B. Diethyl ether, CH~3~CH~2~-O-CH~2~CH~3~ C. Dimethyl ether, CH~3~-O-CH~3~ D. Methanol, CH~3~OH 16\. The compound C~7~H1~6~ has \_\_\_\_\_isomers. A. 3 B. 6 C. 9 D. 12 --------------------------------------------------------------- 17-19 Identify the functional group present in each compound. --------------------------------------------------------------- 17\. CH~3~COOCH~3~ A. Ester B. Amine C. Aldehyde D. Thiol 18\. CH~3~CH~2~CO~2~H A. Sulfide B. Ether C. Carboxylic Acid D. Amide 19\. C~6~H~5~CONH~2~ A. Ketone B. Amide C. Alkyl halides D. Alkyne 20\. Polarity in a molecule is primarily due to: A\) Equal sharing of electrons in bonds B\) Unequal sharing of electrons in bonds C\) Presence of hydrogen atoms only D\) The shape being linear 21\. Which factor does NOT affect the polarity of a molecule? A. Bond dipoles C. Molecular geometry B. Atomic mass of elements D. Difference in electronegativity 22\. Supposedly a hypothetical molecule has an electronegativity difference of 0.5, what is the type of chemical bond present? A. Ionic B. Hydrogen C. Polar covalent D. Nonpolar covalent 23\. What is the molecular shape of CHBr3? A. Linear C. Trigonal planar B. Trigonal bipyramidal D. Tetrahedral 24\. Which of the following most likely represents the molecular geometry of water? B ![](media/image14.png) 25\. Choose the correct shape for this molecule: A Bent B. Linear C. Tetrahedral D. Trigonal pyramidal 26\. In the correct Lewis structure for CH~4~, how many unshared electron pairs surround the carbon? A. 2 B. 8 C. 0 D. 4 27\. In the correct Lewis structure for water, how many unshared pairs of electrons will oxygen have? A. 1 B. 4 C. 3 D. 2 28\. In CO~2~, how many double bonds does Carbon have? A. 4 B. 1 C. 2 D. 6 29\. According to the Octet Rule, atoms of elements react with each other in order to attain \_\_\_\_ electrons in their outermost energy level or shell. A. 2 B. 4 C. 6 D. 8 30\. Which of the following elements LOSES 1 electron in order to attain an octet? A. Potassium B. Calcium C. Helium D. Boron ![](media/image16.png) 31\. This atom will\_\_\_\_. A. Lose 2 electrons C. Gain 2 electrons B. Lose 6 electrons D. Gain 6 electrons 32\. Negatively charged ions are called \_\_\_\_\_ while positively charged ions are called \_\_\_\_\_. Cations are formed from \_\_\_\_\_\_. A. Anions, cations, metals B. Anions, cations, non-metals B. Cations, anions, metals D. Cations, anions, non-metals 33\. The period for Bromine is \_\_\_\_\_\_\_\_\_\_\_. Bromine\'s electron configuration is \_\_\_\_\_\_\_\_\_\_\_. A. 3, \[1s^2^ 2s^2^ 2p^6^ 3s^2^ 3p^5^ B. 2, \[1s^2^ 2s^2^ 2p5 C. 4, \[1s^2^ 2s^2^ 2p^6^ 3s^2^ 3p^6^ 4s^2^ 3d^10^ 4p^5^ 34\. Chose the Lewis dot structure and predict the ion charge that would form for this element: \[Ne\] 3s^1^ A. ![](media/image18.png) C. B. ![](media/image20.png) D. 35\. Which element is pictured? A. Neon B. Fluorine C. Magnesium D. Argon 36\. The maximum number of electrons that can be placed in an p orbital. A. 2 B. 3 C. 6 D. 10 37\. ![](media/image22.png)This orbital diagram represents: A. C B. B C. N D. O 38\. What is the Pauli Exclusion Principle? A. An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins B. An atomic orbital can hold a minimum of 6 electrons, each with opposite spins C. An atomic orbital can hold a maximum of 6 electrons, each with the same spin D. An atomic orbital can hold a minimum of 2 electrons, each with opposite spins 39\. Paramagnetic character arises due to.... A. The presence of unpaired electrons in the atomic orbitals B. The presence of paired electrons in the atomic orbitals C. Empty atomic orbitals D. None of these 40\. Which of the following electron configurations dictates that an atom is diamagnetic? A. 1s^2^ 2s^2^ 2p^4^ C. 1s^2^ 2s^2^ 2p^6^ 3s^1^ B. 1s^2^ 2s^2^ 2p^6^ 3s^2^ D. 1s^2^ 2s^2^ 2p^6^ 3s^2^ 3p^4^

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