A desiccant is a substance that absorbs or adsorbs water, thus creating or maintaining a state of dryness. Silica gel is widely used for this purpose due to its porous structure, which allows it to adsorb a significant amount of water vapour.
Which one of the following is the best example of desiccant ?
Asked in UPSC NDA 2 2020 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Chemical Changes (Chemical Reactions))
More Chemistry questions
- Which of the following compounds undergoes/undergo thermal decomposition?
- Match List I with List II and select the correct answer using the code given below the Lists : List I List II (Chemical process) (Reaction) 1. Double dis‐
- Which one of the following processes involves chemical reaction ?
- Consider the following reaction : 2HgO ⎯⎯→ 2Hg + O₂ The respective state of HgO, Hg and O₂ in the above reaction is
- The chemical reaction: 2AgCl (s) → 2Ag (s) + Cl₂ (g) takes place
- Which one among the following is an example of oxidation reaction ?
- Which one among the following is an example of chemical change ?
- Choose the best fire extinguisher :