MCQ Practice – Class 6 to 10

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Quiz – Carbon and its Compounds

Time: 00:00

Q1. Allotropes are:

A. Mixtures of elements B. Different compounds with same formula C. Same element in different forms D. Different elements with same mass

Q2. The formula of methane is:

A. C2H2 B. C3H8 C. CH4 D. C2H6

Q3. The IUPAC name of CH3–CH3 is:

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

Q4. Which of the following turns blue litmus red?

A. Ethanoic acid B. Ethanol C. Soap solution D. Baking soda

Q5. Methanol is also known as:

A. Vinegar B. Spirit C. Grain alcohol D. Wood alcohol

Q6. Fullerene is composed of:

A. Carbon and nitrogen B. Only oxygen C. Only carbon D. Only hydrogen

Q7. The hydrophilic end of soap interacts with:

A. Water B. Oil C. Salt D. Air

Q8. Functional group –COOH represents:

A. Aldehyde B. Ketone C. Carboxylic acid D. Alcohol

Q9. The IUPAC name of CH3CH2OH is:

A. Methanol B. Propanol C. Ethanal D. Ethanol

Q10. The functional group present in ketones is:

A. –OH B. –CO– C. –CHO D. –COOH