The correct answer is d) Thiruvananthapuram.
China clay, also known as kaolin, is a fine, white clay that is used in a variety of products, including ceramics, paper, and paint. It is primarily found in the state of Kerala, India. The largest deposits of china clay in Kerala are located in the districts of Thiruvananthapuram, Kollam, and Pathanamthitta.
China clay is formed from the weathering of feldspar rocks. It is a soft, earthy material that is easily crumbled. China clay has a high absorption capacity and is non-toxic. It is also resistant to heat and acids.
China clay is used in a variety of products, including:
- Ceramics: China clay is the main ingredient in porcelain and other types of ceramics. It is used to give ceramics their strength and durability.
- Paper: China clay is used to make paper smooth and absorbent. It is also used to make paperboard and other types of paper products.
- Paint: China clay is used to make paint opaque and to improve its coverage. It is also used to make artist’s paints and other types of paint products.
- Cosmetics: China clay is used in cosmetics to absorb oil and to give cosmetics a smooth finish. It is also used to make toothpaste and other types of personal care products.
- Pharmaceuticals: China clay is used in pharmaceuticals to absorb moisture and to improve the stability of drugs. It is also used to make capsules and other types of pharmaceutical products.
China clay is a valuable resource that is used in a variety of products. It is a soft, earthy material that is easily crumbled. China clay has a high absorption capacity and is non-toxic. It is also resistant to heat and acids.