Podcast
Questions and Answers
What are the substances which take part in a chemical reaction called?
What are the substances which take part in a chemical reaction called?
- Products
- Equations
- Catalysts
- Reactants (correct)
Which of the following is an example of a chemical reaction?
Which of the following is an example of a chemical reaction?
- Melting of ice
- Boiling of water
- Rusting of Iron (correct)
- Dissolving sugar in water
What helps to determine whether a chemical reaction has taken place?
What helps to determine whether a chemical reaction has taken place?
- Change in volume
- Change in state (correct)
- Change in density
- Change in shape
What is a chemical equation?
What is a chemical equation?
Why is it important to mention the physical state of the reactants and products in a chemical equation?
Why is it important to mention the physical state of the reactants and products in a chemical equation?
Which observation helps to determine whether a chemical reaction has taken place?
Which observation helps to determine whether a chemical reaction has taken place?
What is the symbolic representation of a chemical reaction called?
What is the symbolic representation of a chemical reaction called?
What are the substances formed in a chemical reaction called?
What are the substances formed in a chemical reaction called?
What does the Law of Conservation of Mass state?
What does the Law of Conservation of Mass state?
Why is it important to mention the physical state of the reactants and products in a chemical equation?
Why is it important to mention the physical state of the reactants and products in a chemical equation?
Which of the following is a necessary condition to determine whether a chemical reaction has taken place?
Which of the following is a necessary condition to determine whether a chemical reaction has taken place?
What is the symbolic representation of a chemical reaction called?
What is the symbolic representation of a chemical reaction called?
Which method is used to balance chemical equations based on the Law of Conservation of Mass?
Which method is used to balance chemical equations based on the Law of Conservation of Mass?
Which observation helps to determine whether a chemical reaction has taken place?
Which observation helps to determine whether a chemical reaction has taken place?
What does the symbol (aq) represent in a chemical equation?
What does the symbol (aq) represent in a chemical equation?
