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Pick up the wrong statement

A

Be like Al does not dissolve in alkalies

B

Oxides of both Be and Al are amphoteric

C

Beryllium chloride like Aluminium chloride is covalent

D

Burning of limestone containing more than 10% aluminium silicates give hydraulic mortar.

Text Solution

Verified by Experts

The correct Answer is:
A
Both Be and Al dissolve in alkalies liberating `H_2`
`Be+2NaOHtoNa_2BeO_2_H_2`
`2Al+2NaOH+2H_2Oto2NaAlO_2+3H_2`
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