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Table salt becomes sticky on exposure to...

Table salt becomes sticky on exposure to humid air during rainy season. Explain.

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**Step-by-Step Solution:** 1. **Understanding Table Salt Composition**: Table salt, primarily composed of sodium chloride (NaCl), often contains impurities such as magnesium chloride (MgCl₂) and calcium chloride (CaCl₂). *Hint: Consider what other substances might be present in common table salt besides sodium chloride.* 2. **Identifying Impurities**: The impurities present in table salt, particularly magnesium chloride and calcium chloride, are known to be deliquescent. ...
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Knowledge Check

  • Population of an insect species increases explosively during rainy season. It disappears at the end of the season due to

    A
    Death of food plants at the end of rainy season
    B
    J-shaped growth curve
    C
    Increase in predator population
    D
    S-shaped growth curve

  • Statement 1: It becomes difficult to open and shut the wooden doors and windows during rainy season. Statement 2: Wooden doors and windows imbibe water in rainy season and thus their volume is increased.

    A
    Both statements `1` and `2` are correct.
    B
    Statement `1`is correct but statement `2` is incorrect.
    C
    Statement `1` is incorrect but statement`2` is correct.
    D
    Both statements `1` and `2` are incorrect.

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