Periodic Trends and Chemical Reactivity
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313119 Which one of these is basic?

1 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{C}}{{\rm{O}}_{\rm{2}}}\)
4 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313120 Which of the following oxides is neutral?

1 \({\rm{CO}}\)
2 \({\rm{Sn}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{ZnO}}\)
4 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313121 Look at the location of elements A,B,C and D in the following Periodic Table :
Basic, acidic and amphoteric oxides among them
supporting img

1 A, B ,C
2 B, A, C
3 A, C, B
4 B, C, A
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313122 A pair of amphoteric oxides is

1 \(\mathrm{BeO}, \mathrm{MgO}\)
2 \(\mathrm{BeO}, \mathrm{ZnO}\)
3 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{Li}_{2} \mathrm{O}\)
4 \(\mathrm{BeO}, \mathrm{B}_{2} \mathrm{O}_{3}\)
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313119 Which one of these is basic?

1 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{C}}{{\rm{O}}_{\rm{2}}}\)
4 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313120 Which of the following oxides is neutral?

1 \({\rm{CO}}\)
2 \({\rm{Sn}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{ZnO}}\)
4 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313121 Look at the location of elements A,B,C and D in the following Periodic Table :
Basic, acidic and amphoteric oxides among them
supporting img

1 A, B ,C
2 B, A, C
3 A, C, B
4 B, C, A
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313122 A pair of amphoteric oxides is

1 \(\mathrm{BeO}, \mathrm{MgO}\)
2 \(\mathrm{BeO}, \mathrm{ZnO}\)
3 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{Li}_{2} \mathrm{O}\)
4 \(\mathrm{BeO}, \mathrm{B}_{2} \mathrm{O}_{3}\)
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313119 Which one of these is basic?

1 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{C}}{{\rm{O}}_{\rm{2}}}\)
4 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313120 Which of the following oxides is neutral?

1 \({\rm{CO}}\)
2 \({\rm{Sn}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{ZnO}}\)
4 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313121 Look at the location of elements A,B,C and D in the following Periodic Table :
Basic, acidic and amphoteric oxides among them
supporting img

1 A, B ,C
2 B, A, C
3 A, C, B
4 B, C, A
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313122 A pair of amphoteric oxides is

1 \(\mathrm{BeO}, \mathrm{MgO}\)
2 \(\mathrm{BeO}, \mathrm{ZnO}\)
3 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{Li}_{2} \mathrm{O}\)
4 \(\mathrm{BeO}, \mathrm{B}_{2} \mathrm{O}_{3}\)
KCET - 2023
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313119 Which one of these is basic?

1 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
2 \({\rm{S}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{C}}{{\rm{O}}_{\rm{2}}}\)
4 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313120 Which of the following oxides is neutral?

1 \({\rm{CO}}\)
2 \({\rm{Sn}}{{\rm{O}}_{\rm{2}}}\)
3 \({\rm{ZnO}}\)
4 \({\rm{Si}}{{\rm{O}}_{\rm{2}}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313121 Look at the location of elements A,B,C and D in the following Periodic Table :
Basic, acidic and amphoteric oxides among them
supporting img

1 A, B ,C
2 B, A, C
3 A, C, B
4 B, C, A
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313122 A pair of amphoteric oxides is

1 \(\mathrm{BeO}, \mathrm{MgO}\)
2 \(\mathrm{BeO}, \mathrm{ZnO}\)
3 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{Li}_{2} \mathrm{O}\)
4 \(\mathrm{BeO}, \mathrm{B}_{2} \mathrm{O}_{3}\)
KCET - 2023
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