Class X Geography ch. minerals

2] What is meant by Ore?
 Ans] Rocks containing ---------- before their use .[ pg 112 ]
3] State the importance of coal as a source of power ?
Ans] Coal is the basic source of energy ------------ are of immense use .[ pg 112 ]
4] Which is the largest producer of coal in South Asia ?
India is the largest --------- bituminous coal . [ pg 113 ]
5] Mention four different varieties of coal
Ans] [refer to notes earlier given ]
6] State the significance of petroleum as a source of power ?
Ans] Petroleum is used ---------- Vaseline , tal , soap et c .[pg 113 ]
7] Name the important oil mining areas of Gujarat ?
Ans] Gujarat : Ankleshwar ----------- Dholka . [ pg 114]
8] How is iron - ore very important for us ?
Ans] Iron ore is useful --------- building dams & bridges .
9] What is the position of India in iron ore ?
Ans] India is the world's sixth ------------- major exporter country . [pg 117 ]
10] What are the uses of coal ?
Ans] Same answer as Question No. 3.