- Strearic acid is obtained from the fats.
- The word “Ozone” is a Greek word which means strong odor.
- Global warming refers to the rise in average temperature on earth.
- Short-sightedness can be corrected by using Concave lens.
- The raw material used for the manufacture of glass and cement is Limestone.
- In the manufacture of banaspati ghee, Hydrogen gas is used.
- Carbon dioxide gas is used in the preparation of soft drinks.
- Soft drinks are made with chilled water rather than water at room temperature because chilled water attracts more carbon dioxide.
- Typhoid and cholera are typical examples of water-borne diseases.
- The cheapest and the friendly environmental source of energy (electricity) is Solar.