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Types of Decomposition
Updated 3d ago
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1. Solid → Liquid is called: A) Freezing B) Melting (Answer: B) C) Condensation D) Sublimation 2. Liquid → Gas is called: A) Condensation B) Freezing C) Evaporation (Answer: C) D) Deposition 3. Gas → Liquid is called: A) Melting B) Condensation (Answer: B) C) Sublimation D) Evaporation 4. Solid → Gas is called: A) Evaporation B) Freezing C) Sublimation (Answer: C) D) Deposition 5. Which state of matter has the least energy? A) Gas B) Plasma C) Liquid D) Solid (Answer: D) 6. Which state of matter has a definite volume but no definite shape? A) Solid B) Liquid (Answer: B) C) Gas D) Plasma 7. Which state of matter has the most energy? A) Solid B) Liquid C) Gas D) Plasma (Answer: D) 8. A bond between a metal and a nonmetal is: A) Covalent B) Ionic (Answer: B) C) Metallic D) Hydrogen 9. A bond between two nonmetals is: A) Ionic B) Covalent (Answer: B) C) Metallic D) Nuclear 10. Mg₃N₂ is: A) Covalent B) Ionic (Answer: B) C) Neither D) Both 11. Which compound is covalent? A) NaCl B) MgO C) CO₂ (Answer: C) D) CaBr₂ 12. Ionic bonds form when electrons are: A) Shared B) Transferred (Answer: B) C) Destroyed D) Created 13. A + B → AB is which reaction type? A) Decomposition B) Single replacement C) Synthesis (Answer: C) D) Combustion 14. AB → A + B is which reaction type? A) Synthesis B) Decomposition (Answer: B) C) Double replacement D) Combustion 15. AB + CD → AD + CB is: A) Single replacement B) Decomposition C) Combustion D) Double replacement (Answer: D) 16. A hydrocarbon reacting with oxygen to form CO₂ and H₂O is: A) Synthesis B) Combustion (Answer: B) C) Decomposition D) Replacement 17. When balancing chemical equations, you may change: A) Subscripts B) Element symbols C) Coefficients (Answer: C) D) Charges 18
Updated 4d ago
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Decomposition Rules
Updated 11d ago
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decomposition
Updated 34d ago
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Decomposition
Updated 34d ago
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Science revision
Updated 47d ago
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