(a)Limestone       (b) Gnesis       (c) Granite        (d) Dolerite

Ans. (a) : Sedimentary Rocks – Sedimentary rocks are known as aqueous stratified rocks. Properties of these rocks are very considerable depending upon the nature of sediment and type of bond between them. Ex-Limestone, Gypsum, magnesite etc.

• Gneiss is metamorphic rock, made by metamorphism of granite.
• Granite is igneous
• Dolerite is igneous