Doubtly
@Doubtly · Joined Feb 2021
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- Name the important raw materials used in the manufacturing of cement? limestone, silica, alumina and gypsum. 2
- What are basic industries? Give an example. Basic industries are those which supply their raw materials to industries which manufacture other goods. An example is the iron and steel in... 1
- Name any three human factors for the location of an industry. Availability of cheap labour Availability of services such as consultants and financial advice Availability of Market 1
- Name any three physical factors for the location of the industry. Availability of raw materials. Power resources and water and Favourable climate. 1
- What is manufacturing? Manufacturing is the process in which goods are produced after processing the various raw materials. 1
- Which one of the following industries manufactures telephones, computer, etc? b) Electronic is correct option 2
- Which one of the following industries uses bauxite as a raw material? (a) Aluminium (b) Cement (c) Jute (d) Steel a) Aluminium is correct option 2
- Which one of the following agencies markets steel for the public sector plants? b) SAIL is the correct option 2
- Which one of the following industries uses limestone as a raw material. (a) Aluminium (b) Cement (c) Sugar (d) Jute b) Cement is the correct option 2
- Why do you think that solar energy has a bright future in India? Solar energy has a bright future in India because – India being a tropical country receives sunlight in abundance throughout the year. Solar... 1
- Describe the distribution of coal in India. The major resources of metallurgical coal belong to the Gondwana age and are located mainly in the north eastern part of the peninsula. Rich... 1
- Why do we need to conserve mineral resources? It takes millions of years for the formation of minerals. Compared to the present rate of consumption, the replenishment rate of minerals is... 1
- How are minerals formed in igneous and metamorphic rocks? In igneous and metamorphic rocks, molten/liquid and gaseous minerals are forced upwards into the cracks. They then solidify and form veins o... 1
- What is a mineral ? A mineral is a homogeneous, naturally occurring substance with a definable interior structure. 2
- Distinguish between the following in not more than 30 words. (b) Conventional and non-conventional sources of energy. Conventional Sources of Energy Non-conventional Sources of Energy Conventional sources of energy are those sources which have been use since... 1
- Distinguish between the following in not more than 30 words. (a) Ferrous and non-ferrous minerals Ferrous minerals Non-ferrous minerals Metallic minerals which contain iron are called ferrous minerals, e.g. iron ore, manganese, nickel, co... 1
- Which one of the following minerals is contained in the Monazite sand? (a) oil (b) uranium (c) thorium (d) coal c) thorium is the correct option 2
- Minerals are deposited and accumulated in the stratas of which of the following rocks? a) sedimentary rocks is the correct option 2