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Questions and Answers
What is the force that holds the atoms of a molecule together?
What is the force that holds the atoms of a molecule together?
- Mixing in some cases
- Chemical bond (correct)
- Sudden closed contact
- Particle collide
When does a chemical reaction occur?
When does a chemical reaction occur?
- When particle collide
- When energy is supplied mixing
- When two or more substances are next (correct)
- When react and sudden closed contact
What happens when Lead Nitrate and potassium iodide react?
What happens when Lead Nitrate and potassium iodide react?
- Plants form glucose
- Copper carbonate decomposes
- LED iodide is formed (correct)
- Sodium chloride and silver nitrate are formed
What is the result of the reaction between sodium chloride and silver nitrate in a solution state?
What is the result of the reaction between sodium chloride and silver nitrate in a solution state?
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What is produced when copper carbonate decomposes on heating?
What is produced when copper carbonate decomposes on heating?
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