2 Tina is studying functional groups of alcohols. She learns that the hydroxyl group (-OH) is characteristic of alcohols. What is the name of the simplest alcohol? A Ethanol B Methanol C Propanol D Butanol
3 Khalid is learning about haloalkanes. He knows that haloalkanes are used as refrigerants. Which of the following was commonly used as a refrigerant? A Chlorofluorocarbons (CFCs) B Ethanol C Acetic acid D Acetone
4 Omar is learning about homocyclic and heterocyclic compounds. He understands that homocyclic compounds have rings made of the same element. Which of the following is a homocyclic compound? A Cyclohexane B Pyridine C Furan D Thiophene
5 Fatima is studying alkenes. She learns that alkenes are more reactive than alkanes. What is the reason for their higher reactivity? A Presence of single bonds B Presence of double bonds C Presence of triple bonds D Presence of rings
7 Emma is learning about condensed formulas. She understands that a condensed formula is a shorthand way of writing a structural formula. What is the condensed formula for propane? A CH3CH3 B CH3CH2CH3 C CH4 D C3H6
9 Ibrahim is learning about heterocyclic compounds. He understands that heterocyclic compounds contain atoms other than carbon in the ring. Which of the following is a heterocyclic compound? A Cyclohexane B Furan C Benzene D Cyclobutane
10 The study of carbon compounds is called: A Inorganic chemistry B Physical chemistry C Organic chemistry D Analytical chemistry
12 Aisha is learning about organic compounds. She understands that carbon compounds are abundant in nature. Which of the following is a natural source of organic compounds? A Minerals B Petroleum C Metals D Salts
15 Zayn is studying amines. He learns that amines are derivatives of ammonia where one or more hydrogen atoms are replaced by organic groups. Which of the following is an amine? A Methylamine B Methanol C Acetaldehyde D Acetic acid
16 Paula is studying the properties of organic compounds. She learns that many organic compounds are soluble in organic solvents. Why are organic compounds soluble in organic solvents? A Because they are ionic B Because they are non-polar and have similar intermolecular forces C Because they are polar D Because they are metals
18 Yara is learning about the diversity of organic compounds. She understands that millions of organic compounds exist. What is the main reason for the large number of organic compounds? A Carbon's ability to form four bonds and catenate B Carbon's high electronegativity C Carbon's low abundance D Carbon's metallic nature
21 David is studying molecular formulas. He learns that a molecular formula shows the actual number of atoms of each element in a molecule. What is the molecular formula of ethane? A CH4 B C2H6 C C3H8 D C2H4
23 Saturated hydrocarbons contain: A Double bonds only B Triple bonds only C Only single bonds D Aromatic rings
24 Which bond is present between carbon atoms in alkanes? A Double bond B Triple bond C Single covalent bond D Ionic bond
25 Yara is learning about ethers. She understands that ethers have an oxygen atom connected to two carbon groups. Which of the following is an ether? A Diethyl ether B Ethanol C Acetone D Acetic acid
26 Samir is learning about alcohols. He knows that alcohols contain a hydroxyl group. What is the general formula for alcohols? A ROH B RCOOH C RCHO D RCOR
27 Rania is studying alkynes. She understands that alkynes contain a carbon-carbon triple bond. What is the functional group of alkynes? A C=C B C≡C C C-C D C=O
29 Carlos is learning about structural and molecular formulas. He understands that structural formulas show the arrangement of atoms. What does a condensed structural formula of butane look like? A C4H10 B CH3CH2CH2CH3 C C4H8 D CH3CH3
30 Omar is learning about amines. He understands that amines are important in biology. Which amine is a component of amino acids? A Methylamine B Ethylamine C Aniline D All of the above