What is the similarity in the properties of beryllium and aluminium? Write the reasons for the similarity. 

Write the similarity in the behaviour of beryllium and aluminium .

What is the similarity in these metal compounds?

What are the similarities among them?

Which set is similar?

What is the similarity in the electronic configuration of Mg Ca and Sr ?

Explain the similarity in chemical properties of acetaldehyde and acetone. Write any three tests that are useful to differentiate acetaldehyde from acetone.

hCG is similar in its actions to

Write any three important similarities between boron and aluminium.