MCQ Practice – Class 6 to 10

Q1. Ethanoic acid is commonly known as:

A. Formic acid B. Acetic acid C. Lactic acid D. Oxalic acid

Q2. The functional group present in ketones is:

A. –COOH B. –OH C. –CHO D. –CO–

Q3. “Vinegar” contains which acid?

A. Lactic acid B. Acetic acid C. Hydrochloric acid D. Formic acid

Q4. Which carbon compound is used in cold drinks and baking?

A. Ethanol B. Methane C. Acetic acid D. Carbon dioxide

Q5. Ethanol is also called:

A. Wood spirit B. Acetic acid C. Grain alcohol D. Spirit of salt

Q6. The IUPAC name of CH3–CH3 is:

A. Methane B. Butane C. Propane D. Ethane

Q7. Carbon forms a large number of compounds because of its:

A. Metallic nature B. Catenation property C. Radioactivity D. High reactivity

Q8. The ability of carbon atoms to form bonds with other carbon atoms is called:

A. Isomerism B. Sublimation C. Covalency D. Catenation

Q9. Which of these compounds is saturated?

A. C3H8 B. C2H2 C. C2H3OH D. C2H4

Q10. The IUPAC name of CH3COOH is:

A. Ethanol B. Methanoic acid C. Ethanoic acid D. Ethanal

Quiz – Carbon and its Compounds