Chemistry - MOST IMPORTANT IB ACIO Previous Year Questions

According to ‘Indian Minerals Yearbook 2021’, which of the following statements regarding Bauxite resources and production in India during 2020–21 are correct? 1. Odisha, contributing about 76% to national output, is the largest producer of bauxite, with key mining districts such as Lohardagga and Amarkantak. 2. Bauxite is primarily associated with laterite rocks and is generally found in regions with tertiary formations. 3. Maharashtra, with over 10% share in national production, is the second-largest producer of bauxite, ahead of Chhattisgarh and Gujarat. 4. Bauxite is used not only in the production of aluminium and its alloys but also in refractories, paints and chemical industries.