Chapter 14 Substances in Common Use
Top questions
See all →- write harmfull effect of Deodorant It contains aluminium – zirconium compounds which are the most harmful chemicals in the deodorant. They can result in the development of dis... 1
- Write the harmful effects Radioactive substances Radioactive substances affect the central nervous system. Exposure to radioactive radiations for long periods can lead to hereditary defects... 1
- Write the harmful effects Artificial food colour Colours used in pickles, jam and sauces contain lead and mercury in small quantities. Regular consumption of these products can be dangerous... 1
- Write the harmful effects Artificial dye Use of dye for dyeing hair can have adverse effects like hair fall, damage to hair texture, burning of skin. The dyes used for dyeing hair h... 1
- Write the chemical formula Bleaching powder, common salt, baking soda, washing soda The chemical formula of bleaching Powder is CaOCl₂. The chemical formula of common salt is NaCl The chemical formula of baking soda is NaHCO... 1
- Explain what you see in the following picture This picture shows the process of powder coating. A polymer resin, a pigment and some more ingredients are melted, mixed, cooled and ground... 1