Class VIII

A crystalline or glassy rock formed when magma or lava cools down and solidifies is called
  1. sedimentary rocks
  2. metamorphic rocks
  3. igneous rocks
  4. morphic rocks
Continual process in which a rock is changed in to an another rock is called
  1. rock cycle
  2. rock sedimentation
  3. sorting of rocks
  4. accumulation of rocks
A which is mainly composed of fossils cemented by calcium carbonate is
  1. Shelly limestone
  2. chalk
  3. oolitic limestone
  4. all of them
Rocks which are non-interlocking and porous are
  1. sedimentary rocks
  2. metamorphic rocks
  3. igneous rocks
  4. morphic rocks
Rock which is composed of sand-sized pallets of calcium carbonate formed in shallow water is
  1. shelly limestone
  2. chalk
  3. oolitic limestone
  4. all of them
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