Chem MP 2,3

Which of the following is an example of a heterocyclic compound?

• a) Ethane
• b) Propane
• c) Pyridine
• d) Methane

What is the balanced chemical equation for the reaction between Barium Hydroxide and HNO3 to produce Barium nitrate Ba (NO3)2?

• a) Ba(OH)2 + HNO3 ? Ba(NO3)2 + H2O
• b) Ba(OH)2 + 2HNO3 ? Ba(NO3)2 + 2H2O
• c) BaH2 + 2HNO3 ? Ba(NO3)2 + 2H2
• d) Ba(OH)2 + HNO3 ? BaNO3 + H2O

What are the harmful effects of oxides of nitrogen?

• a) They can cause respiratory problems and acid rain
• b) They can cause skin cancer and allergies
• c) They can cause water pollution and eutrophication
• d) They can cause global warming and climate change

What are some uses of proteins?

• a) Energy storage and transport
• b) Structural support and protein synthesis
• c) Catalysts and fertilizers
• d) Antibiotics and antifungal agents

What is the importance of nucleic acids?

• a) They are essential for energy storage and transport
• b) They are involved in protein synthesis and cellular functions
• c) They are responsible for eutrophication and water pollution
• d) They are used in the production of plastics and resins

What are some common water pollutants?

• a) Particulate matter and nitrogen oxides
• b) Pathogens and nutrients
• c) Sulfur dioxide and carbon monoxide
• d) Industrial chemicals and pesticides

What is the main constituent of hydrocarbons?

• a) Hydrogen
• b) Carbon
• c) Oxygen
• d) Nitrogen

What makes some hydrocarbons unsaturated?

• a) They have fewer carbon atoms
• b) They contain more hydrogen than carbon
• c) They contain carbon-carbon double or triple bonds
• d) They are more reactive than other hydrocarbons

What is a major air pollutant?

• a) Particulate matter
• b) Sulfur dioxide
• c) Nitrogen oxides
• d) Carbon monoxide

Draw the structure of different isomers of C6H14

• a) Hexane has only one isomer
• b) Hexane has two isomers
• c) Hexane has three isomers
• d) Hexane has four isomers