Superior Lalazar Public School and College Thana
www.slpsorg.com 0932-442385 email. 0917351@rgu.ac.uk
Chemistry 9th Solved Objectives of Mardan, Swat and
Malakand Board 2013
1. The gram molecular mass of HNO3 is
a) 60
b) 100
c) 63
d) 98
2. Number of periods in modern periodic table are
a) seven
b) eight
c) ten
d) eighteen
3. The maximum number of electron in third energy
level is
a) 10
b) 18
c) 32
d) 64
4. The number of neutrons in13 6 C isootopes is
a) 5
b) 6
c) 7
d) 8
5. The energy required to remove electron from the
gaseous atom is called
a) Ionization potential
b) Electron affinity
c) Electronegativity
d) Electropositivity
6. in periodic table the atom of the less
electronegativity is
a) Lithium
b) Berellium
c) Astatine
d) Cesium
Chemistry 9th Solved Objectives of
Peshawar, Abbottoabad and D.I
Khan
1. if two moles Na2SO4 is dissolved
in one dm3 solution then molarity
will be
a) 1
b) 2
c) 3
d) 4
2. Cathode is that electrode where
------ take place
a) oxidation
b) reduction
c) salt formation
d) none of the above
3. Ca(OH)2 is the formula of
a) lime stone
b) lime
c) lime water
d) bleaching
4. which pair follows octet rule in
bond formation
a) Na, P
b) N and Cl
c) H and S
d) Ca and Cl
5. which type of solid is glass
a) crystalline solid
b) amorphous solid
c) allotrops
d) none of the above
6. The solution of known
concentration is called ---------------solution
a) aqueous solution
7. mass per unit volume is called
a) pressure
b) density
c) acceleration
d) weight
8. with increase of pressure the solubility of gases
a) stops
b) constant
c) decreases
d) increases
9. In metal hydride the oxidation number of hydrogen
is
a) -2
b) +2
c) + 1
d) -1
10. metal atom by loss electron form
a) cation
b) anion
c) atom
d) molecule
11. hydrogen atom has atomic number 1 how many
isotopes it has
a) 2
b) 3
c) 4
d) 5
12. in chemical reaction Sn2+ + Cl2 ---..Sn4+ + 2Clthe oxidation number of Cl2 is
a) 3
b) 2
c) 1
d) 0
13. How many periods are in modern periodic table
a) 7
b) 8
c) 10
d) 18
14. how many protons are in the nucleus of sodium
b) saturated solution
c) standard solution
d) none of the above
7. in 1911 who did the experiment
of alpha particles bombardement
a) Goldstein
b) Chadwick
c) Thomson
d) Rutherford
8. How many elements are in 6th
period
a) 2
b) 8
c) 16
d) 32
9. Alloys is the example of -----solution
a) Gas in solid
b) liquid in solids
c) solid in gas
d) solid in solid
10. the bond which is formed by
the sharing of two electrons by each
atom is called
a) double bond
b) triple bond
c) single bond
d) coordinate bond
11. potasium belongs to which
group
a) I
b) VI
c) VII
d) II
12. Alpha particles are
a) neutral
b) negative chage
c) protons
d) double positive charge
a) 11
b) 12
c) 23
d) 32
15. which one is the mathematical form of Boyls law
a) P/T= k
b) V/T = K
c) PV = K
d) PT= K
16. which one is the oxidation number of hydrogen in
metal hydride
a) +1
b) -1
c) +2
d) -2
17. which one is strong electrolyte
a) NaOH
b) NH4OH
c) H2CO3
d) CH3COOH
18. Ca(OH)2 is the formula of
a) lime stone
b) lime
c) lime water
d) bleaching powder
19. The oxidation number of Sn in SnCl4 is
a) +3
b) +4
c) +2
d) +1
20. which one of the following is metal
a) carbon
b) zinc
c) silicon
d) oxygen
21. element of which group is called halogens
a) I
b) II
c) III
13. The value of electronegativity
of flourine is
a) 3
b) 3.5
c) 4
d) 4.5
14. a solution which cannot dissove
more solute at given temperature is
called ------solution
a) unstaturated
b) saturated
c) supersaturated
d) dilute
15. the elments having atomic
number 57-70 are called
a) actinides
b) lanthanides
c) both
d) none
16. 0,5 mole of water contains ---------------molecules
a) 6.023x1023
b) 3.01 x 10 23
c) 9.03 x 10 23
d) 12.04 x 10 23
17. which compounds are
crystalline
a) covalen
b) organic
c) ionic
d) none of the above
18. which one of the following
gases in monoatomic
a) hydrogen
b) nitrogen
c) neon
d) oxygen
19. which one is non polar
molecule
a) H2O
d) VII
22. The period from 600 AD to 1600AD is called
a) Greek period
b) alchemist period
c) flogeston period
d) modern period
23. Carbon has ---- isotopes
a) 4
b) 3
c) 2
d) 1
24. which one of the following orbit can accomodate
maximum two electron
a) second
b) first
c) third
d) sixth
25. The gram molecular mass of HNO3 is
a) 60
b) 100
c) 63
d) 98
26. which one is chemical property
a) solubility
b) density
c) melting point
d) ---------27. which one is the lighest thing
a) electron
b) proton
c) hydrogen
d) alpha rays
28. The number of period in modern periodic table
are
a) 7
b) 8
c) 10
d) 18
b) H2
c) HCl
d) CO
20. The atomic mass of sodium is
a) 9
b) 11
c) 32
d) 23
21. the maxium number of electron
in L shell is
a) 2
b) 8
c) 18
d) 32
22. second period consists of
elements
a) 32
b) 8
c) 18
d) 2
23. which is solution of gas in gas
a) air
b) mist
c) fog
d) smoke
24. oxidation number of free
element is
a) +1
b) -1
c) 0
d) -2
25. the most reactive metal is
a) sodium
b) potassium
c) cesium
d) calcium
26. the concept of orbit was used
by
a) Thomson
29. the number of valence electron in group II element
is
a) 2
b) 4
c) 6
d) 8
30. the molecular shape of NH3 is
a) straight
b) triangular
c) tetrahedral
d) rusting
31. In 1911 who described the theory of atomic
structure
a) Thomson
b) Rutherford
c) terahedral
d) none of the above
32. which element is the standard for measuring the
atomic mass
a) chlorine
b) carbon
c) oxygen
d) sodium
33. The electronic configuration of hydrogen is
a) 1s1
b) 1s2
c) 1s1 2s1
d) 1s2 2s2
34. the branch of chemistry in which the type of
component of mattter and amount is determined is
a) organic chemistry
b) physical chemistry
c) analytical chemistry
d) industrial chemistry
35. The minimum number of electron in third shell is
a) 10
b) 18
c) 32
d) 64
b) Rutherford
c) Bohr
d) Planks
27. which one is not a noble gas
a) helium
b) hydrogen
c) neon
d) argon
28. the number of covalent bond
between carbons in C2H4
a) two
b) three
c) one
d) four
29. Brass in an example of solution
of
a) liquid in solid
b) gas in gas
c) liquid in liquid
d) solid in solid
30. the component of soution which
is present in larger quantity is
called
a) solute
b) solvent
c) mixture
d) colloids
31. the oxidation state of nitrogen
in HNO3 is
a) +3
b) +6
c) +5
d) -5
32. whose oxidation occurs in
reaction Zn + 2HCl ------ZnCl2 +
H2
a) chlorine
b) zinc
c) hydrogen
d) all of the above
36. in the isotopes of element which number is
different
a) electron
b) proton
c) neutron
d) none
33. The number of moles in 6 gram
H2O will be
a) 1
b) 0.25
c) 0.33
d) 0.65
34. the maximum electron in M
shell are
a) 2
b) 8
c) 18
d) 32
ANSWERS: MARDAN, SWAT AND MALKAND
BOARD
ANSWERS: MARDAN, SWAT
AND MALKAND BOARD
1. c
2. a
3. b
4. c
1.
b
2.
b
3.
c
4.
d
5. a
9. d
13. a
17. a
21. d
25. c
29. a
33. a
6. d
10. a
14. a
18. c
22. b
26. d
30. b
34. c
7. b
11. b
15. c
19. b
23. b
27. a
31. b
35. b
8. d
12. d
16. b
20. b
24. b
28. a
32. b
36. c
5.
b
6.
c
7.
d
8.
d
9.
d
10. a
11. a
12. d
13. c
14. b
15. b
16. b
17. c
18. c
19. b
20. d
21. b
22. b
23. a
24. c
25. c
26. c
27. b
28. a
29. d
30. b
31. c
32. b
33. c
34. c
Superior Lalazar Public School and College Thana
www.slpsorg.com 0932-442385 email. 0917351@rgu.ac.uk