Characteristics of Chemical Reactions
Chemistry ⇒ Chemical Reactions and Equations
Characteristics of Chemical Reactions starts at 7 and continues till grade 12.
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See sample questions for grade 8
Describe two characteristics that can help you identify a chemical reaction.
Describe what happens to the properties of substances involved in a chemical reaction.
Describe what is meant by the term 'precipitate' in a chemical reaction.
Explain why a change in energy is considered a characteristic of a chemical reaction.
Explain why a change in temperature is often observed during a chemical reaction.
Explain why dissolving salt in water is not considered a chemical reaction.
Explain why the evolution of a gas is considered a characteristic of a chemical reaction.
State any two characteristics of a chemical reaction.
When a piece of magnesium ribbon is burned in air, a white powder is formed and light is produced. Name two characteristics of chemical reactions shown in this process.
When iron reacts with oxygen to form rust, what new substance is formed?
When silver nitrate is added to sodium chloride solution, a white solid forms. What is this white solid called?
When two clear solutions are mixed and a yellow solid forms, what characteristic of chemical reactions is being observed?
When vinegar is added to baking soda, bubbles are observed. What does this indicate about the reaction?
