Back to dashboard

Reading mode

Unit#7: Nitrogen, Sulphur and Metals + Unit#8: Organic Chemistry

Correct answer is shown on each question. Use Next to read one by one.

Question 1 of 20 0% read

1. What is the first member of alkyne series?

A Methyne
B Ethyne
C Propyne
D Butyne

2. Photochemical smog is more common in:

A Rural areas
B Industrial and urban areas
C Forests
D Deserts

3. Which organic compound contains both carbon and hydrogen only?

A Alcohol
B Ester
C Hydrocarbon
D Carboxylic acid

4. Which metal does not react with oxygen easily?

A Sodium
B Magnesium
C Gold
D Iron

5. Which gas is released during the reaction of zinc with dilute sulphuric acid?

A Oxygen
B Hydrogen
C Nitrogen
D Sulphur dioxide

6. Which compound has the suffix '-ol'?

A Alkene
B Alcohol
C Carboxylic acid
D Ester

7. Which compound is an ester?

A CH3COOH
B C2H5OH
C CH3COOCH3
D C3H8

8. Which suffix is used for alkynes?

A -ane
B -ene
C -yne
D -ol

9. What is the IUPAC name of CH3COOH?

A Ethanoic acid
B Methanoic acid
C Propanoic acid
D Butanoic acid

10. Which organic compound has pleasant fruity smell?

A Alcohols
B Carboxylic acids
C Esters
D Alkanes

11. Which compound belongs to alkynes?

A C2H6
B C2H4
C C2H2
D CH3OH

12. Which compound has the suffix '-oic acid'?

A Alcohol
B Alkane
C Carboxylic acid
D Ester

13. What is the name of CH4?

A Ethane
B Methane
C Propane
D Butane

14. What is the name of C2H6?

A Methane
B Ethene
C Ethane
D Ethyne

15. Which compound is a basic oxide?

A SO₂
B CO₂
C Na₂O
D NO₂

16. Which compound is an alcohol?

A CH3COOH
B C2H5OH
C CH3COOCH3
D C2H4

17. What is the IUPAC name of CH3OH?

A Methanal
B Methanoic acid
C Methanol
D Methanone

18. Which gas is primarily responsible for acid rain formation?

A Carbon dioxide
B Nitrogen
C Sulphur dioxide
D Methane

19. What does a molecular formula show?

A Arrangement of atoms
B Number of each type of atom
C Shape of molecule
D Type of bonds only

20. Which formula shows the arrangement of atoms in a molecule?

A Molecular formula
B Empirical formula
C Structural formula
D General formula

You finished reading all questions

Try practice mode to check answers without scoring, or play for a scored attempt.