Eamcet - Chemistry - S Block Elements Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
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A mixture of sodium oxide and calcium oxide are dissolved in water,and saturated with excess carbon dioxide gas.The resulting solution is.....It contains.......

  

  

  

  

Assertion (A) : K, Rb and Cs form superoxides.Reason (R) ;     The stability of the superoxides increase from 'K' to 'Cs' dueto decrease in lattice energy. The correct answer is

  

  

  

  

In the hardening stage of plaster of paris, the compound formed is :

  

  

  

  

What are the metal ions present in carnallite ?

  

  

  

  

Which of the following alkali metals has the greatest tendency for the half reaction;  M(g) →M+(aq) + e

  

  

  

  

In the extraction of sodium by Down's process, cathode and anode are respectively:

  

  

  

  

Beryllium shows diagonal relationship with aluminium.Which one of the following similarity is not correct

  

  

  

  

Which one of the following elements reduces NaOH to Na?

  

  

  

  

Sodium is heated in air at 3000C to form X. X absorbs CO2 and forms Na2CO3 and Y. Which of the following is Y

  

  

  

  

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