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- 1. Multiple ChoiceWhen metal reacts with liquid water the products are...metal hydroxide and oxygen gasmetal hydroxide and hydrogen gasmetal oxide and oxygen gasmetal oxide and hydrogen gas
- 2. Multiple ChoiceWhat is the correct equation when potassium reacts with water?2K (s) + H2O (l) --> KOH (aq) + H2 (g)K (s) + 2H2O (l) --> KOH (aq) + 2H2 (g)2K (s) + 2H2O (l) --> 2KOH (aq) + H2 (g)K (s) + H2O (l) --> KOH (aq) + H2 (g)
- 3. Multiple ChoiceWhich of the following is arranged according increasing reactivity?Mg > Li > Na > KMg > Na > Li > KNa > Li > Mg > KK > Mg > Na > Li
- 4. Multiple ChoiceWhich of the following does not react with water?lithiummagnesiumleadcalcium
- 5. Multiple ChoiceWhich of the following the most reactive in dilute acidmagnesiumcalciumaluminumzinc
- 6. Multiple ChoiceWhat is made when magnesium reacts with hydrochloric acid?magnesium nitrate and hydrogen gasmagnesium sulfate and hydrogen gasmagnesium oxide and oxygen gasmagnesium chloride and hydrogen gas
- 7. Multiple ChoiceWhich of the following is the correct equation when aluminum reacts with sulfuric acid?2Al (s) + 3H2SO4 (aq) --> Al2(SO4)3 (aq) + 3H2 (g)2Al (s) + 3H2SO4 (aq) --> Al2(SO4)3 (l) + 3H2 (s)2Al (s) + 3H2SO4 (l) --> Al2(SO4)3 (l) + 3H2 (g)2Al (s) + 3H2SO4 (s) --> Al2(SO4)3 (l) + 3H2 (g)
- 8. Multiple ChoiceWhen a metal reacts with oxygen gas, the product is ...metal hydroxidemetal oxidemetal oxide and oxygenmetal hydroxide and hydrogen gas
- 9. Multiple ChoiceThe least reactive in oxygen in the list isironzinccopperlead
- 10. Multiple ChoiceComplete the following equation:
2Cu (s) + O2 (g) -->2CuO (s)2CuO (g)4CuO (s)2CuO (g) - 11. Multiple ChoiceComplete the following equation:
4Fe (s) + 3O2 (g) -->4Fe2O3 (s)2FeO (s)2Fe2O3 (s)4FeO (s) - 12. Multiple ChoiceComplete the following equation:
Zn (s) + 2HNO3 (aq) -->2ZnNO3 (aq) + 2H2 (g)ZnNO3 (aq) + H2 (g)2Zn(NO3)2 (aq) + 2H2 (g)Zn(NO3)2 (aq) + H2 (g) - 13. Multiple ChoiceWhich one of the following equations correctly represents the reaction of silver nitrate with copper metal?CuNO3(aq) + Ag(s) → Cu(s) + AgNO3(aq)Cu(s) + 2 AgNO3(aq) → Cu(NO3)2(aq) + 2 Ag(s)Cu(s) + AgNO3(aq) → CuNO3(aq) + Ag(s)Cu(s) + Ag(NO3)2(aq) → Cu(NO3)2(aq) + Ag(s)
- 14. Multiple ChoiceWhich one of the following metals reacts most vigorously with cold water?SodiumMagnesiumCopperZinc
- 15. Multiple ChoiceWhich one of the following metals could produce zinc metal, if heated with zinc oxide?CopperAluminiumIronSilver
- 16. Multiple ChoiceWhen scrap iron is added to blue copper sulphate solution, a pinky-brown deposit is formed and a pale green solution is left above it. The pale green solution is of?iron oxidecopper chloridesulphuric acidiron sulphate
- 17. Multiple ChoiceWhich of these reactions is possible?Zn (s) + CuO (aq) --> ZnO (aq) + Cu (s)Cu (s) + FeSO4 (aq) --> CuSO4 (aq) + Fe (s)Pb (s) + ZnCl2 (aq) --> PbCl2 (a) + Zn (s)Au (s) + 2HCl (aq) --> AuCl2 (aq) + H2 (g)
- 18. Multiple ChoiceWhich of the following metals does not displace H2 gas from dilute HCl or dilute H2SO4?MgAlCuZn
- 19. Multiple ChoiceWhich four numbers a, b, c and d are required to balance the equation?
a Fe (s) + b H2SO4 (aq) --> c FeSO4(aq) + d H2 (g)1 1 1 12, 3, 2, 23, 4, 1, 22, 3, 1, 4 - 20. Multiple ChoiceGiven the equation ...
2Na(?) + 2H2O(?) --> 2NaOH(X) + H2(?)
Which state symbol should be where (X) is?(s)(g)(l)(aq) - 21. Multiple Choice
Which metal is more reactive than calcium?magnesiumpotassiumsilveraluminum - 22. Multiple ChoiceIf the metal is more reactive than the metal in the compound it completes with the less reactive metal. Therefore, it can concluded that ...The less reactive metal repel the more reactive metal from its compoundThe more reactive metal bonded with the less reactive metal from its compoundThe less reactive metal pushes out or displaces the more reactive metal from its compoundThe more reactive metal pushes out or displaces the less reactive metal from its compound
- 23. Multiple ChoiceWhat will be reaction if less reactive metal is added in a solution with more reactive metal compound?vigorous reactionfizzing gas producedburns moderatelyno reaction
- 24. Multiple ChoiceWill silver react with magnesium chloride solution?yesno
- 25. Multiple ChoiceWhich of the following will not undergo reaction?zinc metal + zinc oxideiron metal + copper oxidezinc metal + iron oxidemagnesium + iron oxide
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