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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- On heating lead nitrate forms oxides of nitrogen and lead. The oxide...
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- Which of the following elements does not show allotropy?
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- Complete the following statement- Sources of calcium are-
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- Which of the following statements is wrong?
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- A brown ring is formed in the ring test for NO3^- ion. It is due to th...
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- Elements of group-15 form compounds in +5 oxidation state. However, bi...
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- On heating ammonium dichromate and barium azide separately we get
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- In the preparation of HNO3, we get NO gas by catalytic oxidation of a...
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- The oxidation state of central atom in the anion of compound NaH2PO2 w...
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- Which of the following is not tetrahedral in shape?
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- Which of the following are peroxoacids of sulphur?
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- Hot concentrated sulphuric acid is a moderately strong oxidizing agent...
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- A black compound of manganese reacts with a halogen acid to give green...
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- In the preparation of compounds of Xe, Bartlett had taken O2^(+) PtF6^...
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- PCl5 in solid state exists as ionic compound having cation ..............
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- Reduction potentials of some ions are given below. Arrange them in de...
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- Which of the following is isoelectronic pair?
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- What happens when chlorine gas is passed through a hot concentrated so...
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- Complete the following statement- Vitamin A is important for our body ...
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- Which of the following is correct for P4 molecule of white phosphoru...
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