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ICSE-P-BLOCK ELEMENTS-EXERCISE (PART-I)(OBJECTIVE QUESTIONS)(THE CORRECT ALTERNATIVE FROM THE CHOICES GIVEN : )
- The compound which gives off oxygen on moderate heating is
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- O2 molecule is
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- The element having maximum catenation property is
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- Oxygen exhibits positive oxidation state in
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- On addition of conc. H2SO4 to a chloride salt, colourless fumes are ev...
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- In qualitative analysis, when H2S is passed through an aqueous solutio...
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- In a cyclotrimetaphosphoric acid molecule, how many P-Osingle and doub...
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- Which of the following elements can be involved in p pi-d pi bonding?
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- Which of the following pairs of ions are isoelectronic and isostructur...
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- Affinity for hydrogen decreases in the group from fluorine to iodine. ...
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- Bond dissociation enthalpy of E-H (E = element) bonds is given below. ...
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- On heating with concentrated NaOH solution in an inert atmosphere of C...
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- Which of the following acids forms three series of salts?
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- Strong reducing behaviour of H(3)PO(2) is due to
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- On heating, lead nitrate forms oxides of nitrogen and lead. The oxides...
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- Which of the following elements does not show allotropy?
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- Which of the following statements is wrong?
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- Maximum covalency of nitrogen is
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- A brown ring is formed in the ring test for NO(3)^(-) ion. It is due t...
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- Elements of group - 15 compounds in +5 oxidation state. However, bismu...
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