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प्रश्न
Answer the following question in brief:
Mention any three uses of coal.
उत्तर
Coal is used for various purposes like cooking, heating, and producing electricity, and in various industries.
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संबंधित प्रश्न
Which state is the largest producer of mineral oil?
Multiple choice questions.
Which one of the following minerals is formed by decomposition of rocks, leaving a residual mass of weathered material?
Answer the following questions in about 30 words.
Distinguish between the following in not more than 30 words.
Ferrous and non-ferrous minerals
Answer the following question.
Name any three common minerals used by you everyday.
Name an old and a new mineral oil producing area.
State the difference between metallic minerals and non-metallic minerals.
Name the mineral used in the manufacture of:
(i) Cement
(ii) Aluminium
(iii) Synthetics.
Fill in the blank
Ferrous minerals contain _____.
Write true or false
Bauxite is the lightest metal.
Write an answer to the following question in your own words.
Write the names of five minerals and the useful substances obtained from them.