p-block Elements and their Compounds - I — Important Questions
Telangana Open School (TOSS) · Class 12 · Chemistry
55 important questions from p-block Elements and their Compounds - I for Telangana Open School (TOSS) Class 12 Chemistry, with answers.
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Important Questions from p-block Elements and their Compounds - I
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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