Portland cement is manufactured by using (a) Lime stone, clay and sand (b) Lime stone, gypsum and sand (c) Lime stone, gypsum and alumina clay and sand (b) Lime stone gypsum and alumina gypsum and sand (c) Lime stone Portland cement is manufactured by using (a) Lime stone November 15, 2020 Category: Uncategorised (JEE Advanced [...]
