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6. What is the chemical formula for Aluminium Sulphate

  • Al3(SO4)2-
  • Al2(SO4)3
  • AlSO4

7. What is the chemical formula for Lithium Hydroxide?

  • LiOH
  • Li+OH-
  • Li+(OH)-

8. What is the chemical formula for Copper(II) Iodide?

  • Cu(I)-
  • CuI2
  • Cu2I-

9. What is the chemical formula for Calcium Carbonate?

  • Ca2CO3
  • CaCO3
  • Ca2(CO3)2-

10. What is the chemical formula for Lead(II) Hydrogencarbonate?

  • (HCO3)Pb2+
  • Pb(HCO3)2
  • Pb2HCO3-