CBSE Class 11 Chemistry The s-Block Elements Quiz 1

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CBSE › Class 11 › Chemistry › The s-Block Elements

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1. CsOH is

A Strongly basic B Weakly basic C Slightly acidic D Amphoteric.

2. Alkali metals give a _________________when dissolved in liquid ammonia

A Deep blue solution B Colourless C Red colour D None of the Above

3. What are Oxo-Acids?

A Acid containing Oxygen B Acid containing Sulphur C Acid containing Carbon D None of the Above

4. In curing cement plasters, water is sprinkled from time to time. This helps in

A Converting sand into silicic acid B Keeping it cool C Developing interlocking needle like crystals of hydrated silicates D Hydrating sand and gravel mixed with cement.

5. The substance not likely to contain CaCO

A Dolomite B A marble statue C Calcined gypsum D Sea shells.

6. Carnallite is the mineral of:

A Na B Ca C Mg D None of the Above

7. The wire of flash bulb is made up of:

A Mg B Ag C Cu D Ba

8. The basic strength of which hydroxide is maximum

A LiOH B NaOH C Ca (OH) D KOH.

9. Which of the following alkali metals has the least melting point?

A Na B K C Rb D Cs.

10. The basic strength of which hydroxide is maximum

A LiOH B NaOH C Ca(OH) D KOH.

Practice more on The s-Block Elements

Quiz 1 Quiz 2

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