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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- Answer the following statement in one word- In aviation engineering, a...
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- Answer the following question in on word- Name one alloy which is made...
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- Which are the two food sources that contain carbohydrate in them?
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- Why is H3PO3 diprotic in nature ? Draw structure.
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- Why is HNO2 not stable.
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- Complete the following reaction : NaOH (hot, conc.) + Cl2(g) rarr
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- Explain- Composition of ammonal.
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- Complete the following reaction : NH3+ Cl2 (excess) rarr
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- Answer the following question in one word- A mixture of solution of co...
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- When HCI reacts with finely powdered iron, it forms ferrous chloride a...
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- What are interhalogen compounds ? Give example.
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- What are the interhalogen compounds ? Why are these more reactive than...
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- Draw structure of HClO4.
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- Why noble gases have very high values of ionisation enthalpies?
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- Why are halogens strong oxidising agents?
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- Answer the following question- What are leukocytes?
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- Give the preparation, hybridisation and structure of XeF4 (XenonTetraf...
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- Why is helium used in diving apparatus?
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- Give the structure and basicity of H3PO4.
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- Why conc. sulphuric acid is always diluted by adding sulphuric acid to...
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