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Which of the following is/are correct st...

Which of the following is/are correct statement?

A

Zeolites are often used as ion exhange material

B

`SiO_(2)` is a linear molecule

C

`SiCl_(6)^(-2)` is known but `SiF_(6)^(2-)` is not

D

producer gas is less efficient fuel in terms of calorific value than water gas

Text Solution

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The correct Answer is:
A, D
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Knowledge Check

  • Which of the following is a correct statement ?

    A
    The hydroxide of aluminium is more acidic than that of boron
    B
    The hydroxide of boron is basic, while that of aluminium is amphoteric
    C
    The hydroxide of boron is acidic, while that of aluminium is amphoteric
    D
    The hydrolysis of aluminium and boron are amphoteric.

  • Which of the following is the correct statement?

    A
    No diploid structure is found in mature sporogonium of Riccia except capsule
    B
    Sporogonium of Riccia is differentiated into foot, seta and capsule
    C
    Sporogonium and spore mother cells of Riccia have chloroplast
    D
    All of these

  • Which of the following is the correct statement?

    A
    No diploid structure is found in mature sporogonium of Riccia except capsule
    B
    Sporogonium of Riccia is differentiated into foot, seta and capsule
    C
    Sporogonium and spore mother cells of Riccia have chloroplast
    D
    All of these