CHEMICAL REACTIONS MCQs

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1. . Reaction in which a single chemical compound is formed is called:





2. . Reaction in which the only reactant is a single compound is called:





3. . Zinc can displace ______ metal:





4. . Thermal decomposition requires:





5. . Chemical composition of a substance changes as a result of:





6. . Chemical reaction involves:





7. . Conversion of chlorine atom into chloride ion is called:





8. . Reaction between sodium and water is called:





9. . Rusting of iron is called:





10. . Electron transfer reaction is called:





11. . Conversion of water into hydrogen and oxygen gas is:





12. . Reaction between metal and acid is:





13. . Iodine can displace:





14. . Fluorine can displace:





15. . Metathesis is called:





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