Download or Preview 2nd Year Chemistry MCQs With Answers Chapter 1
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
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About This Chapter
Chapter no. 1 "Periodic Classification of Elements and Periodicity" of
2nd year chemistry enables the students to learn and describe the
periodic table in form of groups and periods. Students learn About
periodicity in physical and chemical properties. And learn about
position of hydrogen in periodic table. This post "2nd Year Chemistry
MCQs With Answers Chapter 1 Pdf".
👉For Answers of following questions click the show answer button.
1. Amphoteric oxide is formed by:
(A) Ca
(B) Zn
(C) Fe
(D) Cu
(B) Zn Explanation : Zinc oxide is a metal oxide that shows both acidic and basic character hence, known as amphoteric oxides.
2. Which order is correct one for the size of atoms?
(A) Mg > Sr
(B) Ba > Mg
(C) Lu > Ce
(D) Cl > I
(B) Ba > Mg
3. Which element has lowest melting point?
(A) Beryllium
(B) Cesium
(C) Magnesium
(D) Barium
(C) Magnesium
4. Which one of the following is intermediate hydride?
(A) LiH
(B) MgH2
(C) CaH2
(D) SrH2
(B) MgH2
5. Which one is ionic Hydride
(A) NaH
(B) AlH3
(C) NH3
(D) CH4
(A) NaH
6. Oxides of Be are ?
(A) Acidic
(B) Basic
(C) Amphoteric
(D) Neutral
(C) Amphoteric
7. Which of the following element form acidic oxides only?
(A) Cd
(B) Al
(C) Sn
(D) Br
(D) Br
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. Which of the following has lowest ionization energy?
(A) Beryllium
(B) Boron
(C) Carbon
(D) Oxygen
(B) Boron
10. Which of the following element has highest melting point?
(A) Aluminum
(B) Sulphur
(C) Phosphorus
(D) Silicon
(D) Silicon
11. The hydrides of group IA are
(A) Ionic
(B) Covalent
(C) Metallic
(D) Interstitial
(A) Ionic
12. Which is the correct statement
(A) Cl- is smaller than Cl atom
(B) Cl- and Cl atom are equal in size
(C) Na+ is smaller than Na atom
(D) Na+ is larger than Na atom
( c) Na+ is smaller than Na atom
13. Correct order according to atom size in the following is :
(A) Na > K
(B) Be > Mg
(C) O > N
(D) Cl > F
(D) Cl > F
14. Which ion will have maximum heat of hydration?
(A) Mg++
(B) K+
(C) Na+
(D) Li+
(A) Mg++
15. Mark the correct statement ;
(A) Metallic character increases down the group
(B) Metallic character increases along the period
(C) Metallic character decreases down the group
(D) Metallic character remains same
(B) Metallic character increases along the period
16. which is the number of elements in fourth period?
(A) 10
(B) 18
(C) 32
(D) 8
(B) 18
17. In the periodic table non-metals fall in which block?
(A) f- block
(B) d- block
(C) p- block
(D) s- block
(D) s- block
18. Elements of group I-B are called :
(A) Representative elements
(B) Transition elements
(C) Rare metals
(D) coinage metals
(D) coinage metals
19. Elements of group II-A are called:
(A) Alkali metals
(B) Alkaline earth metals
(C) Coinage metals
(D) metalloids
(B) Alkaline earth metals
20. Which of the following is a covalent oxide?
(A) BeO
(B) MgO
(C) SrO
(D) CaO
(A) BeO
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