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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A white precipitate forms when solutions of silver nitrate and sodium chloride are mixed. This is an example of which characteristic of chemical reactions?
Describe two characteristics that can help you identify a chemical reaction has occurred.
Describe what is meant by the term 'precipitate' in the context of chemical reactions.
Explain why dissolving salt in water is not considered a chemical reaction.
Explain why the burning of magnesium ribbon in air is considered a chemical reaction.
Explain why the change in color of copper when exposed to air is considered a chemical reaction.
Explain why the digestion of food in the human body is considered a chemical reaction.
Explain why the fermentation of sugar is considered a chemical reaction.
State one example of a chemical reaction that is accompanied by a change in temperature.
State one example of a chemical reaction that is accompanied by the evolution of a gas.
When a solution of barium chloride is mixed with sodium sulfate, a white solid forms. What is this solid called?
When iron reacts with sulfur to form iron sulfide, what characteristic of chemical reactions is demonstrated?
When two clear solutions are mixed and a yellow solid forms, what characteristic of chemical reactions does this demonstrate?
When vinegar is added to baking soda, bubbles are observed. What does this indicate about the reaction?
