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With reference to Multi Commodity Exchange Ltd, consider the following statements: 1. It is the country’s largest metals and energy commodity bourse. 2. It offers futures trading in bullion, ferrous and non-ferrous metals, energy, and agricultural commodities. 3. Globally, MCX ranks first in crude oil, second in natural gas, third in and gold and silver in futures trading. Which of the above statements is/are correct? 
Which abrasive is used for soft ferrous and non-ferrous metals for lapping?
Which sand is used for making ferrous and non-ferrous alloys?
Ferrous metals need more allowance than non-ferrous metals.
Case hardening of non-ferrous materials can be done easily as compared to that of ferrous materials.
Operating cost involved in the mechanized foundry is more than the cost of any other simple foundry for large production of castings.
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral?
Consider the following statements: 1. Most of the coal and the ferrous group of minerals in India occur in the peninsula, south of the Vindhyas. 2. Peninsular India once formed part of the super-continent which included Australia, Antarctica, Africa, and South America. Which of the statements given above is /are correct?
Which of the following is not a non-ferrous alloy?
Which of the following is a ferrous metal?