Thursday, 5 March 2020

Chemistry Educators Teaching Jobs Test MCQs List

Here Solved MCQs is providing you important question answers of Chemistry with helpful and easy notes for interviews and Objective Type question answers Preparations. If you have applied in MCAT, ECAT, and Educators Teachers Professors tests here you will learn important question answers of Chemistry with solved answers.



All of these Chemistry MCQs are taken from the Past Papers most repeated question answers. Learn and Practice these MCQs for your interviews, Viva and other tests.


Chemistry MCQs List For MCAT ECAT ISSB Tests




Q.1: The decrease in radius is larger for ?
  1. Monovalent ions
  2. Trivalent ions
  3. Divalent ions
  4. Atoms
B
Q.2: Which is most stable form of C at 25°C ?
  1. Diamond
  2. Coal
  3. Graphite
  4. None of the above
C
Q.3: Covalent compounds mostly exist in the form of ?
  1. Molecules
  2. Atoms
  3. Protons
  4. Neutrons
A
Q.4: Which of the following is the simplest form of matter ?
  1. Gaseous state
  2. All of above
  3. Liquid state
  4. Solid state
A
Q.5: The nature of positive rays depends on ?
  1. All of the above
  2. Nature of elecrode
  3. Nature of dischasrge
  4. Nature of resident gas
D
Q.6: Nitrogen is present in atmosphere ?
  1. 89%
  2. 21%
  3. 36%
  4. 78%
D
Q.7: A solution is a ?
  1. Hemogeneous mixture
  2. Normal mixture
  3. Heterogeneous mixture
  4. None of these
A
Q.8: Hydrides formed between elements with E.N difference greater than 1.8 is ?
  1. Complex
  2. Intermediate
  3. Ionic
  4. Covalent
D
Q.9: Conjugate base of a very weak acid is ?
  1. Relatively strong base
  2. Relatively very strong base
  3. Relatively weak base
  4. Relatively very weak base
B
Q.10: Aldehydes and ketones react with 2, 4-DNPH forming precipitates of 2, 4-dinitro-phenyl hydrione of colour ?
  1. Silver mirror
  2. Yellow or red ppt
  3. White ppt
  4. Brick red
B
Q.11: In 1913, Mosley used the x-rays to determine ?
  1. Mass number
  2. Relative atomic mass
  3. Atomic number
  4. Avogadro's number
C
Q.12: Al the naturally processes proceed with the ?
  1. All of the above
  2. Increase of energy
  3. Decrease of energy
  4. None of the above
C
Q.13: A state function represents ?
  1. Physical state
  2. None of the above
  3. Exothermic state
  4. Chemical state
C
Q.14: The amount of energy required to break one mole of a bond to separate atom is called ?
  1. Electrnegativity
  2. Electron affinity
  3. Bond energy
  4. Ionization potential
C
Q.15: Salts of dichromic acids are ?
  1. Silicones
  2. Dichromates
  3. Silicates
  4. Chromates
A
Q.16: What si not a state function ?
  1. Entropy
  2. Enthalpy
  3. Internal energy
  4. Temperature
D
Q.17: Alcohols are colourless ?
  1. Gases
  2. Liquid
  3. Solids
  4. Only lower alcohols are liquids
D
Q.18: Biopolymers are present in ?
  1. Plants
  2. Animals
  3. Non-livings
  4. Organisms
D
Q.19: Common names of aldehydes are given by corresponding ?
  1. Alcohol
  2. Carboxylic acid
  3. Ketone
  4. Ester
B
Q.20: In graphite the distance between two parallel sheets is ?
  1. 3.35 Angstrom
  2. 3.45 Angstrom
  3. 3.30 Angstrom
  4. 3.40 Angstrom
D
Q.21: Experimentally we can determine only ?
  1. Absolute viscosity of liquid
  2. Ratio of both of above
  3. Minimum viscosity of liquid
  4. Relative viscosity of liquid
D
Q.22: Catalyst changes ?
  1. Enthalpy of products
  2. Enthalpy of reactants
  3. Enthalpy of none
  4. Enthalpy of reactions
A
Q.23: Halokanes are ?
  1. All
  2. Dihaloalkanes
  3. Trihaloalkanes
  4. Monohaloalkanes
A
Q.24: Isomers have same properties ?
  1. Physical and Chemical
  2. Chemical
  3. Nuclear
  4. Physical
B
Q.25: The number of rivers in Balochistan is ?
  1. 10
  2. 8
  3. 7
  4. 9
C
Q.26: The Indus Plain covers an area of about ?
  1. 203,000 sq. miles
  2. 205,000 sq. miles
  3. 200,000 sq. miles
  4. 206,000 sq. miles
C
Q.27: Acylation of benzene gives ?
  1. Maleic anhydride
  2. Benzene sulphonic
  3. Benzophenone
  4. Nitrobenzene acid
C
Q.28: The tendency of atoms to attain a maximum of eight electrons in the valance shell is known as ?
  1. Duplet rule
  2. Traid rule
  3. Octet rule
  4. Tetrad rule
C
Q.29: X-rays have same nature as ?
  1. Beta rays
  2. Alpha rays
  3. Gamma rays
  4. Cathode rays
C
Q.30: The calculations based on stoichiometry are known as ?
  1. Simple calculations
  2. Complex calculations
  3. None of above
  4. Stoichiometric calculations
C
Q.31: At same temperature, the kinetic energy of one mole of each H₂ and O₂ separately by ?
  1. Different
  2. Zero
  3. Same
  4. None of above
C
Q.32: The force which holds together two or more atoms or ions to form a large variety of compounds is called ?
  1. A chemical bond
  2. An ionic bond
  3. A covalent bond
  4. A coordinate bond
A
Q.33: If all the donar atoms coordinate with central metal atom making one or more rings in the structure is called ?
  1. Zwitter ion
  2. Chelates
  3. Dipolar ion
  4. Molecular ion
D
Q.34: Which property is not present in non-metals ?
  1. High electropositivity
  2. High E.N. value
  3. Predominantly covalent
  4. Poor conductor
A
Q.35: Solubility of alcohols in water is due to bounding ?
  1. Coordinate covalent
  2. Covalent
  3. Comic
  4. Hydrogen
D
Q.36: Aldehydes react with tollen's reagent forming ?
  1. Yellow or red ppt
  2. Brick red
  3. Silver mirror
  4. White red
C
Q.37: Chemical formula of witherite is ?
  1. MgCO3 CaCO3
  2. MgCo3
  3. CaCO3
  4. BaCO
D
Q.38: The term 'Paraffins' has been derived from ?
  1. Greek words
  2. French words
  3. Arabic words
  4. Latin words
D
Q.39: A mixture of low boiling of hydrocarbons is ?
  1. Coal tar
  2. Natural gas
  3. Coke
  4. Petroleum
B
Q.40: A basic buffer solution can be prepared by mixing ?
  1. Strong acid and its salt with weak base.
  2. Strong base and its salt with weak acid.
  3. Weak acid and its salt with strong base.
  4. Weak base and its salt with strong acid.
D
Q.41: Warsak Dam is situated on river ?
  1. Swat
  2. Indus
  3. Chenab
  4. Kabul
D
Q.42: The benzene molecule contains ?
  1. Delocalized π electron charge
  2. Two double bond
  3. Three double bond
  4. One double bond
A
Q.43: The number of moles of solute dissolved per dm³ of the solution is called ?
  1. Molality
  2. Normality
  3. Molarity
  4. None of above
C
Q.44: Silicon atom is hybridized ?
  1. sp³
  2. dsp²
  3. sp
  4. sp²
A
Q.45: The shape of molecule of methane is ?
  1. Trigonal
  2. Planner
  3. Square planner
  4. Tetrahedral
D
Q.46: When NaOH solution reacts with aluminium in different physical states most rapid reaction occurs ?
  1. Aluminium powder
  2. Aluminium foil
  3. Cubes of aluminium
  4. Alloy of aluminium
A
Q.47: Type of isomerism in BrCH=CHBr is ?
  1. Structural isomerism
  2. Geometrical isomerism
  3. Position isomerism
  4. Conformational isomerism
B
Q.48: What are non-metals ?
  1. P and Bi
  2. N and P
  3. Sb and Bi
  4. As and N
B
Q.49: Alcohols are ?
  1. Colourless liquid
  2. Burning in taste
  3. Sweet in smell
  4. All of these
D
Q.50: Matter having chemically identical atoms is called ?
  1. Substance
  2. Pure matter
  3. Compound
  4. Element
D


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