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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
- How is SO2 an air pollutant?
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- Explain the following fact : Halogens are coloured.
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- Why does NH3 form hydrogen bond but PH3 does not?
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- Why does O3 act as a powerful oxidising agent ?
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- Why is NH3 more basic than PH3 ?
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- Draw the structure of XeF2, XeF4 and XeF6.
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- Explain the manufacture of sulphuric acid by contact process.
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- Name the process for manufacture of nitric acid.
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- Why does the reactivity of nitrogen differ from phosphorus?
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- Write the chemical equations when: Zinc reacts with cone. HNO3
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- Write the chemical equations when Zinc reacts with dilute HNO3.
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- Write formula of phosphine.
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- Why does ammonia act as a lewis base?
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- All the five bonds in PCl5 are not equivalent justify.
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- Why is water liquid while H2S a gas ?
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- Complete the following statement- Bordeaux mixture is composed of-
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- Explain the following statement- Bordo mix is a fungicide.
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- Complete the following statement- Lithopone is a white pigment.
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- Complete the following statement- Nichrome is made up of-
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- Complete the following statement- Solder is made up of-
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