Class 4 Social Studies Chapter 13 Question Answers

Class 4 Social Studies Chapter 13 Question Answers cover book exercise questions in a simplified and precise way. Class 4 Social Studies Chapter 13 Question Answers are easy to understand and learn for exams.
#Our Mineral Wealth

Class 4 Social Studies Chapter 13 Question Answers

A. Fill in the blanks.

1. Rocks are made up of minerals.
2. Mining means digging out minerals from the Earth.
3. Minerals containing metals are known as ores.
4. The solid mineral fuel formed from dead remains of plants is coal.
5. Petroleum is refined to obtain different products.

B. Fill in the missing letters to find one important mineral found in each state.

1. Bihar: Iron Ore
2. Jharkhand: Coal
3. Chhattisgarh: Copper
4. Madhya Pradesh: Coal
5. Goa: Iron Ore
6. Assam: Petroleum
7. Karnataka: Gold
8. Rajasthan: Copper

C. Answer the following questions.

1. What are ores?
: Minerals from which metals are obtained are called ores.

2. What are the many uses of iron? In what ways is aluminum better than iron?
: Iron is used to make utensils, machines, tools, bridges, buildings, railway engines, coaches, etc.

3. Name two places each in India where the following are located:
(a) iron and steel plants
(b) petroleum refineries
(a) Iron and steel plants are located in Jharkhand (Jamshedpur, Bokaro), Chhattisgarh (Bhilai), and West Bengal (Durgapur).
(b) Petrol refineries are located in Mumbai, Cochin, Mathura, Barauni, and Haldia.

4. Where is copper mainly found in India? In which industry is copper mainly used?
: Copper is mainly found in Rajasthan and Jharkhand. Copper is used in the electrical industry.

5. Name the places where the following are mainly found in India. Give their important uses.
(a) Coal
(b) Petroleum
(a) Coal is mainly found in Jharkhand, Madhya Pradesh, Telangana, Chhattisgarh, and West Bengal.
Coal is used to generate energy, run factories, and as domestic fuel.
(b) Petroleum is mainly found in Assam, Gujarat, and under the sea in Bombay High near Mumbai.
Petroleum is used to extract petrol, diesel, kerosene, cooking gas, lubricants, plastics, cosmetics, etc.

6. Why is it important to conserve our mineral resources?
: Mineral resources are exhaustible and limited in nature. So, it is important to conserve them.

D. Multiple choice questions.
  1. Which of these is not a metal?
    (A) coal
    (B) iron
    (C) gold
    (D) silver
  2. Which metal is used in constructing buildings and bridges?
    (A) gold
    (B) copper
    (C) aluminum
    (D) iron
  3. Which of these is not obtained from petroleum?
    (A) lubricants
    (B) kerosene
    (C) coal
    (D) plastics
  4. Which of these is an exhaustible source of energy?
    (A) sun
    (B) wind
    (C) coal
    (D) running water
  5. Which of these minerals is found in Bombay High?
    (A) coal
    (B) petroleum
    (C) gold
    (D) iron

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