Which one of the following is used as a fuel for producing electricity in power plants?
coal
iron
copper
aluminium
Chalk is one form of:
lime stone
shale
sand stone
conglomerate
Which of the following rocks form the base of all forms of land , plains, mountain and ocean beds?
metamorphic
sedimentary
igneous
mineral
Which one of the following can be profitably obtained from metallic minerals called ores?
metals
rocks
elements
compounds
Which one of the following is used as a fuel in steam engines?
kerosene
A metamorphic rock that is formed from granite:
slate
gneiss
marble
quartzite
A major portion of the earth's land surface is covered with:
igneous rock
sedimentary rocks
metamorphic rocks
minerals
What deposits in the earth are limited?
water
soil
Which one of the following is made up of clay and mud particles that are piled up in layers?
Which of the following rock is the result of the transformation of an existing rock?
Igneous rock
Sedimentary rocks
Metamorphic rock
Mineral