Chemistry Objective Group 1 Inter Part 1 Past Paper 2014 Lahore Board

Chemistry Objective Group 1 Inter Part 1 Past Paper 2014 Lahore Board

Inter Part 1 Lahore Board 2014

Chemistry           Paper I Objective Type

Time: 20 Minutes       Marks: 17

Group I

Note: Four possible, answers A, B, C and D to each question are given. The choice which you think is correct, fill that circle in front of that question with Marker or Pen ink. Cutting or filling two or more circles will result in zero mark in that question.

  • Dry Ice (Solid CO2) is an example of solid

(A) Covalent

(B) Molecular

(C) Ionic

(D) Metallic

  • Specific rate constant is equal to rate of reaction, when concentration of reactants are

(A) Zero

(B) Four

(C) Three

(D) Unity

  • Number of bonds in N2 molecule

(A) lσ + 1 д

(B) 2σ + 1 д

(C) 1σ +2 д

(D) 1 д + 3σ

  • Largest number of molecules are in

(A) 3.6 gmH2O

(B) 4.8 am C2H5OH

(C) 2.8 gm CO

(D) 5.8 gm N2O5

  • Glycerine decomposes at its

(A) Melting point

(B) Boiling point

(C) Freezing point

(D) Critical point

  • Maximum no. of electrons in an orbital is

(A) 6

(B) 10

(C) 1

(D) 2

  • Gooch crucible is made of

(A) Clay

(B) Asbestos

(C) Porcelain

(D) Iron

  • Oxidation No. of oxygen in OF2 is

(A) Zero

(B) 1/2

(C) +2

(D) -1

  • Molarity of pure water is

(A) 1

(B) 18

(C) 55.5

(D) 6

  • Solvent extraction is a process

(A) Exothermic

(B) Endothermic

(c) Equilibrium

(D) Non-equilibrium

  • pH of 103 mole dm3 of an aqueous solution or H2SO4 is

(A) 3

(B) 2.7

(C) 2

(D) 1.5

  • If “a” and “b” are zero for certain gas then gas is

(A) Ideal

(B) Real

(C) Non – ideal

(D) May be any diatomic gas

  • CsF has ionic character


(B) 80%

(Cl 92(N

(D) 100./o

  • Mass of one mole of electron is

(A) 1.008 mg

(B) 0.55 mg

(C) 1.8 mg

(D) 1.673mg

  • In endothermic reaction OH is taken as

(A) Positive

(B) Negative

(C) Zero

(D) May be any value

  • Escape out of gas molecules one by one through tiny hole is

(A) Diffusion

(B) Effusion

(C) Osmosis

(D) All of these

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