Chemistry Test #10 – Carbon and Its Compounds

1. The ability of carbon to form long chains is called:
a) Isomerism b) Catenation c) Substitution d) Combustion

2. Saturated hydrocarbons contain:
a) Only single bonds b) Double bonds c) Triple bonds d) All types of bonds

3. The functional group in ethanol is:
a) –CHO b) –OH c) –COOH d) –COO–

4. Which is a saturated hydrocarbon?
a) Ethene b) Ethyne c) Methane d) Propene

5. Combustion of hydrocarbons produces:
a) CO and C b) CO₂ and H₂O c) H₂ and CH₄ d) CO and NO₂

6. Which acid gives vinegar its smell?
a) HCl b) Formic acid c) Acetic acid d) Lactic acid

7. The cleaning action of soap is based on:
a) Displacement reaction b) Emulsification c) Neutralization d) Crystallization

8. Which hydrocarbon is unsaturated?
a) Methane b) Butane c) Ethene d) Propane

9. Ethanol reacts with sodium to release:
a) Oxygen b) CO₂ c) Hydrogen gas d) Chlorine

10. Which is a functional group?
a) –Cl b) –OH c) –Na d) –K

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