Verse 26. Cd (OH) 2 is a highly reliable base like in the country?
A) stronger b) average c) weak d) very strong
verse 27. The molecule of the compound that has the smallest polarization?
a) HF b) HCl c) HBr d) HI
Q 28: Indicates how easy the oxide reacts with acid HCl of the following oxide:
Cu2O, Ga2O3, ZrO2, sro, Al2O3
a) Cu2O, Al2O3, sro b) Cu2O, sro
c) Cu2O, Ga2O3 d) Cu2O, Ga2O3, sro, ZrO2
Question 29. Which of the following compounds associated with covalent largest computer?
a) Co (OH) 3 b) FeCl3 c) VO2Cl d) NiSO4
verse 30. You can use the following drying substance ammonia?
CaO; P2O5; H2SO4; NaOH
a) NaOH CaO & b) P2O5 & H2SO4 c) P2O5 CaO & d) CaO, P2O5 & NaOH
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