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The S- Block Elements
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Avg score: 56% • Most missed: “Aqueous solution of sodium carbonateabsorbs NOand NO2 to give [1996”
The S- Block Elements
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25 Questions

1. The ease of adsorption of the hydrated alkalimetal ions on an ion-exchange resins follows theorder: [2012]
2. Which of the following statements isincorrect? [2011M]
3. Which of the following alkaline earth metalsulphates has hydration enthalpy higher thanthe lattice enthalpy? [2010]
4. Aqueous solution of sodium carbonateabsorbs NOand NO2 to give [1996
5. Identify the correct statement [1995]
6. Which one of the following has minimumvalue of cation/anion ratio[1993]
7. The sequence of ioinic mobility in aqueoussolution is: [2008]
8. Which of the following is known as fusionmixture? [1994]
9. In the replacement reaction CI + MFCF +MIThe reaction will be most favourable ifMhappens to be: [2012 M]
10. All the following substances react with water.The pair that gives the same gaseous product is[1994]
11. In which of the following the hydrationenergy is higher than the lattice energy? [2007]
12. Compared with the alkaline earth metals - thealkali metals exhibit [1990]
13. The alkali metals form salt-like hydrides bythe direct synthesis at elevated temperature.The thermal stability of these hydridesdecreases in which of the following orders?[2008]
14. Which of the following compounds has thelowest melting point? [2011]
15. Which of the following atoms will have thesmallest size? [1989]
16. In Castner-Kellner cell for production ofsodium hydroxide: [NEETKar2013]
17. Property of the alkaline earth metals thatincreases with their atomic number: [2010]
18. Among the following oxides - the one which is most basic is [1994]
19. The correct order of increasing thermalstability of K2CO3 - MgCO3 - CaCO3 and BeCO3 is[2007]
20. Electronic configuration of calcium atom maybe written as [1992]
21. Which of the following statement is false?[1994]
22. Which of the following metal ions plays animportant role in muscle contraction? [1994]
23. Washing soda has formula [1990]
24. Which one of the alkali metals - forms only - the normal oxide - M2Oon heating in air? [2012]
25. In crystals of which one of the followingionic compounds would you expect maximumdistance between centres of cations and anions?[1998]

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