2nd year chemistry mcqs with answers pdf Chapter 2

Download or Preview 2nd Year Chemistry MCQs With Answers Chapter 2  along with answers for both Entry Test and Board Exams.

IMPORTANCE OF THESE MCQS

It is tough and difficult task to solve 2nd year chemistry mcqs . Students must have proper preparation of 2nd year chemistry mcqs for excellent marks in chemistry 12.These questions are taken from past papers of 2nd year chemistry of all Punjab Board of Pakistan as ;

Bahawalpur Board

D.G.Khan Board

Faisalabad Board

Gujranwala Board

Lahore Board

Multan Board

Rawalpindi Board

Content is created and designed with intense care and diligence.

These questions (MCQs) are top repetitive in previous papers. Each question has a detailed answer explanation. In this way you learn from your mistakes

Chemistry 12 Smart Preparation

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About This Chapter

Chapter no. 2 "s-block elements" of 2nd year chemistry enables the students to learn and write the electronic configuration in sequence. Students learn occurrence of group IA and II A elements and peculiar behavior of Lithium and Beryllium. And learn commercial preparation of sodium and sodium hydroxide. This post "2nd Year Chemistry MCQs With Answers Chapter 2 Pdf" covers all these important topics of this chapter

👉For Answers of following questions click the show answer button.

1. Which one does not belong to the alkaline earth metals:

(A) Be

(B) Ba

(C) Ra

(D) Rn

(D) Rn

2. Chile saltpeter has the chemical formula?

(A) NaNO₃ 

(B) KNO₂

(C) Na₂.CO3.H₂O

(D) NaHCO₃

(A) NaNO₃

3. The mineral salt CaSO₂.2H₂O?

(A) Epsom Salt

(B) Dolomite

(C) Pyrite

(D) Gypsum

(D) Gypsum

4. Which is the least reactive of all the alkali metals?

(A) Li

(B) Na

(C) K

(D) Cs

(A) Li

5. The milk of magnesia is used for the treatment of 

(A) Basicity 

(B) Acidity

(C) Rancidity

(D) Angina

(B) Acidity

6. Which of the following gas will turn lime water milky?

(A) NO₂ 

(B) Cl₂

(C) CO

(D) CO₂

(D) CO₂

7. In down's cell CaCl₂ is added to NaCl to :

(A) Increase solubility

(B) Increase conductivity

(C) Increase dissociation

(D) Lower its M.P

(D) Lower its M.P

8. Which of the following statement is correct?

(A) Na atom is smaller than Na+

(B) Na atom is larger than K atom

(C) F atom is smaller than F- ion

(D) F atom is larger than F- ion

(C) F atom is smaller than F-

9. Nelson Cell is used to prepare?

(A) NaOH 

(B) Na₂CO₃

(C) CaOCl₃

(D) NaCl

(A) NaOH

10. Which element is deposited at the cathode during the electrolysis of brine in diaphragm cell?

(A) H₂ 

(B) Ba

(C) Ra

(D) Rn

(A) H₂

11. Oxides of beryllium are :

(A) Amphoteric 

(B) Acidic

(C) Basic

(D) None of These

(A) Amphoteric

12. Which of the following sulphate is not soluble in water? 

(A) Sodium sulphate 

(B) Barium sulphate

(C) Magnesium sulphate

(D) Zinc sulphate

(B) Barium sulphate

13. Which one of the alkali is not an alkali metal?

(A) Francium

(B) Cesium

(C) Rubidium

(D) Radium

(D) Radium

14. Which ion have the maximum value of heat of hydration?

(A) Mg⁺⁺

(B) Cs⁺

(C) Ba⁺

(D) Li⁺

(A) Mg⁺⁺

15. Slaked lime is use in the manufacture of ;

(A) Medicine

(B) Firebricks

(C) Pigments

(D) Cement

(D) Cement

16. Which doesn't give flame test?

(A) Sr 

(B) Li

(C) Be

(D) Ba

(C) Be

17. Plaster Paris is obtained from?

(A) Marble 

(B) Bauxite

(C) Gypsum

(D) Limestone

(C) Gypsum

18. Which is the most abundant alkaline earth metal present in earth's crust:

(A) Be 

(B) Sr

(C) Mg

(D) Ca

(D) Ca

19. Dolomite is the mineral of: 

(A) Be 

(B) Sr

(C) Mg

(D) K

(C) Mg

20. Carnallite is the mineral of ?

(A) Be

(B) Mg

(C) Ca

(D) Sr

(B) Mg

Visit Also >> Chemistry 12 Important Short & Long Qs PDF

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