Subjects
Science TNSB Mentoring
Class 9
Periodic classification of elements
The structure of the modern periodic table

7. Element and their hydroxide: Alkali Metals

Question:

5 m.

Fill in the blanks about alkali metal with water reaction:

1. Choose the chemical element number \(55\) __________, and their water reaction product __________.

Cobalt
Potassium
Caesium
Lithium
Rubidium
Sodium

\(NaOH\)
\(RbOH\)
\(Hg(OH)_2\)
\(KOH\)
\(LiOH\)
\(CsOH\)

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