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Mar 15, 2015

#### Why is petroleum called as a nodal industry ?



Because it provides fuel for heat and lighting , lubricants for machinery and raw materials for a number of manufacturing industries like synthetic  textile fertilize...

Mar 3, 2015

#### why is iron ore considered as a backbone of industrial development ?



Because iron is used in making machines and machines are needed everywhere in the factories and induatries.

Nov 2, 2014

#### Why is conservation of mineral resources important? How can we conserve minerals?



Mineral resources are finite and non-renewable.
Mineral deposits in our country will get exhausted in the future.
Due to decrease in good quality and they comes from...

Mar 14, 2015

#### 3 marks?  How do minerals occur in igneous, sedimentary and metamorphic rocks?



In igneous and metamorphic rocks:
The smaller occurrences are called veins and the larger occurrences are called lodes. They are usually formed whe...

Mar 14, 2015

####  Why do you think that solar energy has a bright future in India?



1) India is a tropical country so it has better or enormous possibilities of...

Feb 12, 2015

#### Why is India not not able to perform to her full potential in iron and steel production?



Though, India is an important iron and steel producing country in the world yet, we are not able to perform to our full potential largely due to the following reasons:
High costs a...

Mar 13, 2015

#### What did the inland Emigrating Act of 1859 declare?



Plantation workers were not permitted to leave the tea gardens without permission, under the Inland Emi...

Mar 2, 2015

#### Why is Mica the most useful mineral in electrical and electronic industry? Name the mica producing states.



Mica has been used in India since ancient times as a medicinal item in Ayurveda and is known as abhrak. With the development of electrical industry, ...