Which of the following substances are found in the beach sands of many parts of Kerala?1. Ilmenite2. Zircon3. Sillimanite4. TungstenSelect the correct answer using the codes given below:
✓ Correct answer: b) 1, 2 and 3 only
ExplanationBeach sand minerals are naturally occurring mineral particles found on coastal beaches, often derived from the erosion of rocks and shells.The primary components of beach sand include quartz, a durable and abundant mineral, along with other minerals like feldspar, mica, and ilmenite, as well as heavier minerals such as zircon, rutile, and monazite.The beach sands of many parts of Kerala are known to contain a variety of heavy minerals.Option 1 is correct: Ilmenite is one of the most abundant minerals in the beach sands of Kerala.It is a source of titanium dioxide, which is used in various industrial applications, including the manufacture of paints and pigments.Odisha is the leading producer of ilmenite, contributing nearly 69% of the total production followed by Kerala and Tamil Nadu .Option 2 is correct: Zircon is another important mineral found in Kerala’s beach sands.It is used in the production of refractory materials and as a gemstone.Zircon occurs in close association with other heavy minerals such as ilmenite, rutile and monazite in beach sands, along the coastal trac
Practice more Science PYQs
Attempt a free 10-question quiz or browse the full Science & Technology previous-year-question bank with instant answers and explanations.
🔬 Science PYQs →