The rocks having alumina or clay as their major constituents, are known as

Related MCQs

• The rocks having alumina or clay as their major constituents are known as
• Siliceous rocks have alumina or clay as their major constituent.
• The percentage of alumina and silica in good fire clay vary respectively is
• Excess pf alumina in the clay
• The percentage of alumina in a good brick clay should vary from
• The rocks in which argil (or clay) predominates, are called
• The rocks in which argil (or clay) predominates, are called
• The rocks formed due to alteration of original structure under heat and excessive pressure are called metamorphic rocks.
• The lime which contains more than 30% of clayey impurities in the form of silica, alumina and iron oxide, is known as
• Excess of alumina in brick earth makes the brick