Question : Rearrange the parts of the sentence in the correct order. The nanostructures on the P. with added, or "doped," iron and phosphor Q. surface made of nickel selenide R. offer the high performance and stability S. that are needed for industrial-scale electrolysis
Option 1: QPRS
Option 2: QRSP
Option 3: RPQS
Option 4: SPQR
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Correct Answer: QPRS
Solution : The correct choice is the first option: QPRS.
The sentence discusses nanostructures on a surface made of nickel selenide that has been modified by adding or "doping" it with iron and phosphor.
The correct order emphasises how the surface modification contributes to the required qualities for electrolysis.
The correct order for the parts of the sentence is:
The correct rearranged sentence is: The nanostructures on the surface made of nickel selenide with added, or "doped", iron and phosphor offer the high performance and stability that are needed for industrial-scale electrolysis.
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Question : Copper wires are generally used for electrical power transmission instead of iron wire because:
Option 1: Copper is cheaper than iron
Option 2: Copper is lighter than iron
Option 3: Copper is a good conductor of electricity than iron
Option 4: Copper can take higher power than iron
Question : Select the correct indirect form of the given sentence.
The teacher says, “Magnets attract objects made of iron.”
Option 1: The teacher says that magnets attract objects made of iron.
Option 2: The teacher says magnets attracts objects made of iron.
Option 3: The teacher said that magnets attracted objects made of iron.
Option 4: The teacher said that magnets were attracting objects made of iron.
Question : Which is the first integrated steel plant in the public sector in India?
Option 1: The Visvesvaraya Iron and Steel Limited
Option 2: Rourkela Steel Plant
Option 3: The Salem Steel Plant
Option 4: Indian Iron and Steel Company
Question : Where was the first iron and steel industry of India established ?
Option 1: Bhadravati
Option 2: Bhilai
Option 3: Jamshedpur
Option 4: Burnpur
Question : Identify the subsidiary of Steel Authority of India Limited ( SAIL) that is located along the Kolkata-Asansol railway line.
Option 1: ESL Steel Ltd. (ESL)
Option 2: Jindal Steel and Power Ltd. (JSPL)
Option 3: Indian Iron and Steel Company (IISCO)
Option 4: Tata Iron and Steel plant (TISCO)
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