Which statement about ozone is TRUE?
A) Ozone normally forms in the upper atmosphere.
B) Chlorofluorocarbons deplete the ozone layer.
C) Ozone protects life on Earth from harmful ultraviolet light.
D) None of the above statements are true.
E) All the of the first three statements are true.
Answer: E
Learn More :
Chemistry Chapter 7
- When the equation, ___O2 + ___C6 H14 ? ___CO2 + ___H2O is balanced, the coefficient of O2 is:
- The mixing of sodium metal and chlorine gas would be the type of reaction known as:
- Identify the double displacement reactions among the following:
- What must be supplied for a decomposition reaction to happen?
- What type of reaction is the generic equation AB > A+B?
- What type of reaction is the generic equation AB + CD > AD + CB?
- What type of reaction is the generic equation A + BC ? AC + B?
- What type of reaction is the generic equation A + B > AB?
- The reaction CH4 (g) + 2 O2 (g) ? CO2 (g) + 2 H2O (g) is:
- Which of the following statements about redox reactions is FALSE?
- A redox reaction has occurred ________.
- Methane gas (CH4), on complete combustion in air, produces:
- Identify the oxidation-reduction reactions among the following:
- What type of a reaction occurs when potassium metal reacts with fluorine gas?
- As defined in the text, identify the "gas evolution" reactions among the following:
- Which of the following would NOT be a product from mixing hydrochloric acid with a solution of sodium sulfite?
- What type of a reaction occurs when a hydrochloric acid solution is mixed with a sodium bicarbonate solution?
- What is the gas produced when hydrochloric acid is reacted with ammonium carbonate?
- Which of the following types of compounds will NOT undergo a gas evolution reaction when acid is added?
- When a solution of MgCl2 and one of AgNO3 are mixed, the net ionic equation is:
- What is the complete ionic equation for the reaction of hydrochloric acid with potassium hydroxide?
- What is the molecular equation for the reaction of hydrochloric acid with potassium hydroxide?
- What is the net ionic equation for the reaction of hydrochloric acid with potassium hydroxide?
- What type of a reaction occurs when a sodium hydroxide solution is mixed with an acetic acid solution?