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🛠️ JEE🧪 Chemistry

Which one of the following statements for D.I. Mendeleef. is incorrect? [JEE Main 2021, 22 Jul (Shift 2)]

Q1

Which one of the following statements for D.I. Mendeleef. is incorrect?

[JEE Main 2021, 22 Jul (Shift 2)]

a

Element with atomic number 101 is named after him.

b

He authored the textbook - Principles of Chemistry .

c

He invented accurate barometer.

d

At the time, he proposed periodic table of elements structure of atom was known.

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