Quartz grains are mostly found in:
lime stone
shale
conglomerate
sandstone
A major portion of the earth's land surface is covered with:
igneous rock
sedimentary rocks
metamorphic rocks
minerals
Which among the following is made up of a mineral called calcite?
sand stone
limestone
What is used for dry- cleaning?
Coal
Petroleum
Copper
Iron
Which one of the following is used for making buildings, statues and streets?
granite
obsidian
pumice
A metamorphic rock that is formed from sandstone.
slate
gneiss
marble
quartzite
Which one of the following is used as a fuel in steam engines?
coal
iron
kerosene
aluminium
The magma that reaches the surface of the earth is called:
Mineral
Metals
Lava
Rocks
Which one among the following are underground natural resources?
metals
rocks
elements
Which one of the following is made up of clay and mud particles that are piled up in layers?