Chemical Reactions and Atomic Emission Quiz

Test your knowledge on atomic spectroscopy, chemical equations, redox reactions, and more. Explore atomic emission spectroscopy and key concepts in chemistry.

Practice Learn Test

Which of the following is a chemical reaction?

Melting of ice

Burning of wood

Cutting paper

Mixing salt in water

In atomic emission, what does the term 'emission' refer to?

Absorption of light

Release of energy in the form of light

Formation of ions

Combining atoms

Which type of chemical reaction involves the exchange of ions between two compounds?

Synthesis reaction

Decomposition reaction

Single displacement reaction

Double displacement reaction

What is the stoichiometric coefficient in a balanced chemical equation?

The coefficient indicating the number of moles of reactants and products

The coefficient indicating the number of atoms of each element in a molecule

The coefficient indicating the temperature of the reaction

The coefficient indicating the pressure of the reaction

Which of the following is an example of a redox reaction?

Combustion of methane (CH4)

Formation of water (H2O) from hydrogen and oxygen

Dissolution of salt (NaCl) in water

Formation of ammonia (NH3) from nitrogen and hydrogen

What is the product of the reaction between sulfuric acid (H2SO4) and sodium hydroxide (NaOH)?

H2O + Na2SO4

H2SO3 + NaOH

H2O + NaHSO4

Na2SO4 + HCl

Which type of reaction is represented by the general formula A + B → AB?

Synthesis reaction

Decomposition reaction

Combustion reaction

Single displacement reaction

What is the balanced chemical equation for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?

HCl + NaOH → H2O + NaCl

2HCl + NaOH → H2O + NaCl

HCl + 2NaOH → 2H2O + NaCl

2HCl + 2NaOH → 2H2O + 2NaCl

In atomic emission spectroscopy, what is responsible for the unique line spectrum of each element?

Atomic mass

Atomic emission temperature

Atomic structure and energy levels

Atomic density

#10

What is the primary purpose of a catalyst in a chemical reaction?

To increase the temperature of the reaction

To slow down the reaction rate

To lower the activation energy and speed up the reaction

To change the stoichiometric coefficients

#11

Which law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another?

Zeroth Law

First Law

Second Law

Third Law

#12

What is the role of a reducing agent in a redox reaction?

To gain electrons and get oxidized

To lose electrons and get reduced

To gain protons and get oxidized

To lose protons and get reduced

#13

Which law states that the total pressure exerted by a mixture of gases is the sum of the partial pressures of individual gases?

Boyle's Law

Charles's Law

Dalton's Law

Gay-Lussac's Law