Tin is relatively scarce in its global distribution.
Approx. 80% of the world’s tin supply comes from alluvial deposits.
Which of the statements given above is/are correct?
Correct Answer:
(C)
Both 1 and 2
Ques:
42
Consider the following statements:
In non-Eastern Asian region, Bolivia and Peru are significant tin producers.
Leading global tin producers include China, Indonesia, Germany, Italy and France.
Which of the statements given above is/are correct?
Correct Answer:
(A)
1 only
In non-Eastern Asian region, Bolivia and Peru are significant tin producers, with Peru ranking as the third-largest tin producer globally. Nigeria and Zaire are essential tin producers in Africa, with the Bauchi plateau, Jos, and Zaria are essential tine producers in Africa, and Manono and Maniema serving as mining centers in Zaire.
Leading global tin producers include China, Indonesia, Myanmar, Peru, Brazil, Bolivia, and Malaysia. Prominent importers are Germany, Italy and France.
Ques:
43
India's best zinc and lead reserves are available in –
Correct Answer:
(C)
Rampur Agacha of Bhilwara District
Rajasthan is the leading zinc and lead producing state of India. According to 2018-19 (P) data, Rajasthan has a near monopoly in zinc and lead production. Asia's best zinc and lead reserves are located in Rampur Agacha region of Bhilwara district. Hindustan Zinc Limited has established a super smelter machine with the help of Britain which is used to melt zinc and lead. Other reserves of zinc and lead in Rajasthan are- Zawar region (Udaipur), Rajpur Debari region (Udaipur), Dungarpur, Alwar, Banswara and Sirohi.
Ques:
44
Consider the following statements:
Zinc is a silvery blue-grey metal.
Zinc has a relatively low melting and boiling point.
Which of the statements given above is/are correct?
Correct Answer:
(C)
Both 1 and 2
Zinc is a silvery blue-grey metal that has relatively low melting and boiling points compared to other metals. Its melting point is 419.5 °C and its boiling point is 907 °C. While it's more brittle than tin or lead, it's still considered a strong and important metal. Zinc is the fourth most widely used metal globally.
Ques:
45
Consider the following statements:
Australia accounts for 27% of world's zinc reserves.
Rajasthan is endowed with the largest reserves of lead – zinc ore.
Which of the statements given above is/are correct?
Correct Answer:
(C)
Both 1 and 2
In India, Rajasthan is endowed with the largest reserves/resources of lead – zinc ore, followed by Andhra Pradesh (3.03%), Madhya Pradesh (1.98%), Bihar etc.
Global reservoirs of Zinc: Australia accounts for 27% of world's zinc reserves, followed by China (18%), Russia & Mexico (9% each), Peru(8%), Kazakhstan(5%), USA(4%), etc.
Ques:
46
Consider the following statements regarding Zinc’s biological role;
It is a trace mineral, yet it is necessary for almost 100 enzymes to carry out vital chemical reactions.
It is a major player in the creation of DNA, growth of cells and supporting a healthy immune system.
Which of the statements given above is/are correct?
Correct Answer:
(D)
Neither 1 Nor 2
Ques:
47
Galvanisation is a method of protecting iron from rusting by coating it with a thin layer of
Correct Answer:
(C)
Zinc
When exposed to air and moisture, iron rusts quickly, and rusting can be prevented by applying a thin layer of zinc to the surface. Galvanisation is the process of applying a zinc coating to iron and steel.