मराठी

Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?

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प्रश्न

Iron pillar near the Qutub Minar in Delhi is famous for the following facts. Which of these facts is responsible for its long stability?

पर्याय

  • It is more than 7 metres high.

  • It weighs about 6000 kg.

  • It was built more than 1600 years ago.

  • It has not rusted after such a long period.

MCQ
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उत्तर

It has not rusted after such a long period.

Explanation:

Iron pillar near Qutub Minar in Delhi is famous for its stability because it has not rusted over a long period.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Physical and Chemical Changes - MULTIPLE CHOICE QUESTIONS [पृष्ठ ३४]

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एनसीईआरटी एक्झांप्लर Science [English] Class 7
पाठ 6 Physical and Chemical Changes
MULTIPLE CHOICE QUESTIONS | Q 6. | पृष्ठ ३४

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`O_2(g) + 4H^+(aq) +............................ → 2H_2 O (l) `

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