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Choose the correct altrernative and writ...

Choose the correct altrernative and write it along with its allotted alphabet :
Lithium (Li),........and potassium (k) is Dobereiner's triad.

A

magnesium (Mg)

B

aluminium (Al)

C

sodium (Na)

D

calcium (Ca)

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NAVNEET PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS-EXERCISE
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  2. Fill in the blanks In the Mendeleev's periodic table, properties of ...

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  4. State whether the following statements are True or False: Newlands wa...

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  6. State whether the following statements are True or False: Dobereiner ...

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  7. State whether the following statements are True or False: Newlands st...

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  8. State whether the following statements are True or False: Eka- alumin...

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  9. State whether the following statements are True or False: Mendeleev,s...

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  10. State whether the following statements are True or False: Mendeleev a...

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  11. State whether the following statements are True or False: Mendeleev w...

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