The type of rock used to make blackboard is:
coal
gypsum
slate
graphite
Which of the following is used to make cement?
Chalk
Slate
Limestone
Coal
All rocks are made up of:
water
gases
minerals
soil
Which of these is / are true about the object given in the figure?
It is a form of smooth rock.
It is blackish colour.
It is used for writing.
All of the above
Look at the figure given below and identify the mineral.
Graphite
Diamond
Gemstone
Which of the following rocks is used for the foundation of buildings?
Sandstone
Granite
Raju sprays talcum powder made up of talc after his shower everyday. Talc is a:
mineral
chalk powder
quartz powder
Which of the following is NOT correct about diamond?
It is glassy in colour
It can be used for cutting glass
It is used for making jewellery
None of the above
Which the following pairs is correct?
Pencil lead - Silica
Mirror - Talc
Pot - China clay
Talcum powder - Graphite
Which of these is / are formed from rocks?
Pebbles
Stones
Sand
