p-block Elements and their Compounds - I — Practice Quiz
Telangana Open School (TOSS) · Class 12 · Chemistry
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Quick Quiz: p-block Elements and their Compounds - I
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What is the chemical formula of boric acid?
Which of the following is the formula of borax?
Which element is present in potash alum?
What is the hybridization of carbon in diamond?
Sample Questions
Which gas is known as dry ice in solid form?
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CO₂
Solid carbon dioxide is called dry ice, as mentioned in the chapter under properties of CO₂.
Ammonia is manufactured by which process?
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Haber's process
The chapter states that ammonia is manufactured industrially by Haber's process using nitrogen and hydrogen over an iron catalyst.
Which of the following is a use of boric acid?
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As a food preservative
The chapter lists boric acid uses including as a food preservative, antiseptic, and in glass making.
What is the state of hybridization of nitrogen in ammonia?
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sp³
The chapter states that in ammonia, nitrogen is sp³ hybridized with a lone pair occupying one tetrahedral position.
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