Chapter 2 S Block ElementsTest - 11

Chapter 2
S Block Elements
Test - 11

1. Alkali metals are highly electronegative elements.

a) False
b) True

2. Alkaline earth metals lose their two electrons to form dipositive ions M++.

a) True
b) False

3. Alkaline earth metals are quite unreactive elements

a) False
b) True

4. Chemically lime is Ca(OH)₂.

a) True
b) False

5. Soils containing sufficient calcium are slightly acidic in nature.

a) False
b) True

6. A suspension of calcium hydroxide is called milk of lime.

a) True
b) False

7. Calcium carbide on hydrolysis produces acetaldehyde.

a) True
b) False

8. Anhydrous calcium sulphate is called �Dead Burnt�.

a) False
b) True

9. Addition of gypsum increases the setting time of cement.

a) False
b) True

10. Down call method produces 99.9% pure sodium.a) True
b) False

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