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Chemistry Quiz on s-Block Elements

Class XI
Chemistry
The s-Block Elements
14 questions
HARD

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1. Which of the following alkali metals has the highest melting point?

Lithium · Sodium · Potassium · Rubidium

2. What is the common oxidation state of alkali metals?

+1 · +2 · 0 · -1

3. Which of the following compounds is formed when sodium reacts with water?

NaOH · Na2O · Na2O2 · NaH

4. Which element is not an alkali metal?

Lithium · Sodium · Calcium · Potassium

5. The ionization energy of alkali metals generally:

Increases down the group · Decreases down the group · Remains constant · Varies irregularly