- Dry ice is solid $\text{CO}_2$. - Dry ice sublimes (solid to gas transition) at atmospheric pressure. - Common ice is frozen water (solid H₂O).
Which one of the following is termed as 'Dry ice' ?
Asked in UPSC NDA 2 2019 · Topic: Inorganic Chemistry (Chemistry of Main Group Elements (s-block and p-block))
More Chemistry questions
- Which one of the following is not a monatomic element ?
- Chalk and marble are different forms of
- What is the colour of the precipitate obtained by passing CO₂ gas through lime water ?
- Which one of the following pairs of elements is liquid at room temperature and at normal pressure ?
- Which one of the following is the chemical formula of Plaster of Paris ?
- Which of the following anions has a valency of –3 ?
- Which of the following is an inorganic gaseous pollutant of air?
- Which of the following is/are wrong? I. Mg₂C₃ on hydrolysis gives acetylene II. Be₂C on hydrolysis gives methane III. Al₄C₃ on hydrolysis gives allylene