JSCE Basic Science 2023 Objective — Question 93
Question 93 of 100 from the Junior Secondary Certificate Examination (JSCE) Basic Science 2023 Objective paper, with the correct answer and a full explanation.
Advertisement
Mention a waxy whitish solid ball with a strong aroma used at home to repel cockroaches and ants in cabinets and storages. The changes this substance undergoes is from solid to ....., and mention the type of physical change that occurs when it is exposed to air for a period of time.
- A. Camphor, gaseous and sublimationCorrect
- B. Camphor, liquid and evaporation
- C. Butter, liquid and evaporation
- D. Salt, solid and magnetization
Explanation
Camphor goes straight from solid to gas: sublimation.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.