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Class 11 Chemistry Practice Test: p-Block Elements - Uses of Boron and Aluminium and Their Compounds
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Boron fibres are used for making bullet-proof vests. The isotope of boron has a high ability to absorb neutrons and their metal borides are used in the nuclear industry as protective shields. The compounds of boron – borax and boric acid are used in the manufacture of heat-resistant glasses, glass wool and fibreglass.

Class 11 Chemistry Practice Test: p-Block Elements - Uses of Boron and Aluminium and Their Compounds
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10 Questions

1. Aluminium oxide as otherwise called as ______________
2. Alum is a double sulphate.
3. Which of the following is not an alum?
4. What is the chemical formula of alumina and anhydrous aluminium chloride?
5. Which of the following is used as a catalyst in Friedel craft reaction?
6. Boron is used as a ______________
7. Which of the following is not a use of orthoboric acid?
8. What is the chemical formula of alumina and anhydrous aluminium chloride?
9. Which of the following is not a use of Boron?
10. Which of the following is not an alum?

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