11. THE P-BLOCK ELEMENTS
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11. THE P-BLOCK ELEMENTS

190001 Which one is a pseudo alum

1 \((NH_4)_2SO_4.Fe_2(SO_4)_3.24H_2O\)
2 \(K_2SO_4.Cr_2(SO_4)_3.24H_2O\)
3 \(MnSO_4.Al_2(SO_4)_3.24H_2O\)
4 None of these
11. THE P-BLOCK ELEMENTS

190002 In which compound peroxide bond is present

1 \(Pb_2O_3\)
2 \(SiO_2\)
3 \(BaO_2\)
4 \(PbO_2\)
11. THE P-BLOCK ELEMENTS

190003 Repeating unit of organosilicon polymers is

1 \({\rlap{-} ({R_2}Si\rlap{-} )_n}\)
2 \({\rlap{-} ({R_2}Si-O_2\rlap{-} )_n}\)
3 \({\rlap{-} ({R_2}SiO\rlap{-} )_n}\)
4 All of these
11. THE P-BLOCK ELEMENTS

190004 Which is amphoteric oxides ?

1 \(BeO\)
2 \(SnO\)
3 \(ZnO\)
4 all of these
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11. THE P-BLOCK ELEMENTS

190001 Which one is a pseudo alum

1 \((NH_4)_2SO_4.Fe_2(SO_4)_3.24H_2O\)
2 \(K_2SO_4.Cr_2(SO_4)_3.24H_2O\)
3 \(MnSO_4.Al_2(SO_4)_3.24H_2O\)
4 None of these
11. THE P-BLOCK ELEMENTS

190002 In which compound peroxide bond is present

1 \(Pb_2O_3\)
2 \(SiO_2\)
3 \(BaO_2\)
4 \(PbO_2\)
11. THE P-BLOCK ELEMENTS

190003 Repeating unit of organosilicon polymers is

1 \({\rlap{-} ({R_2}Si\rlap{-} )_n}\)
2 \({\rlap{-} ({R_2}Si-O_2\rlap{-} )_n}\)
3 \({\rlap{-} ({R_2}SiO\rlap{-} )_n}\)
4 All of these
11. THE P-BLOCK ELEMENTS

190004 Which is amphoteric oxides ?

1 \(BeO\)
2 \(SnO\)
3 \(ZnO\)
4 all of these
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11. THE P-BLOCK ELEMENTS

190001 Which one is a pseudo alum

1 \((NH_4)_2SO_4.Fe_2(SO_4)_3.24H_2O\)
2 \(K_2SO_4.Cr_2(SO_4)_3.24H_2O\)
3 \(MnSO_4.Al_2(SO_4)_3.24H_2O\)
4 None of these
11. THE P-BLOCK ELEMENTS

190002 In which compound peroxide bond is present

1 \(Pb_2O_3\)
2 \(SiO_2\)
3 \(BaO_2\)
4 \(PbO_2\)
11. THE P-BLOCK ELEMENTS

190003 Repeating unit of organosilicon polymers is

1 \({\rlap{-} ({R_2}Si\rlap{-} )_n}\)
2 \({\rlap{-} ({R_2}Si-O_2\rlap{-} )_n}\)
3 \({\rlap{-} ({R_2}SiO\rlap{-} )_n}\)
4 All of these
11. THE P-BLOCK ELEMENTS

190004 Which is amphoteric oxides ?

1 \(BeO\)
2 \(SnO\)
3 \(ZnO\)
4 all of these
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11. THE P-BLOCK ELEMENTS

190001 Which one is a pseudo alum

1 \((NH_4)_2SO_4.Fe_2(SO_4)_3.24H_2O\)
2 \(K_2SO_4.Cr_2(SO_4)_3.24H_2O\)
3 \(MnSO_4.Al_2(SO_4)_3.24H_2O\)
4 None of these
11. THE P-BLOCK ELEMENTS

190002 In which compound peroxide bond is present

1 \(Pb_2O_3\)
2 \(SiO_2\)
3 \(BaO_2\)
4 \(PbO_2\)
11. THE P-BLOCK ELEMENTS

190003 Repeating unit of organosilicon polymers is

1 \({\rlap{-} ({R_2}Si\rlap{-} )_n}\)
2 \({\rlap{-} ({R_2}Si-O_2\rlap{-} )_n}\)
3 \({\rlap{-} ({R_2}SiO\rlap{-} )_n}\)
4 All of these
11. THE P-BLOCK ELEMENTS

190004 Which is amphoteric oxides ?

1 \(BeO\)
2 \(SnO\)
3 \(ZnO\)
4 all of these
For More Updates join with Us
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