Here is the list of Free Chemistry Quiz Test 03 with answers for the Preparation of Competitive Exams in FPSC, PPSC, SPSC, KPPSC, CSS, PMS, NTS, ISSB, LAT, etc. This Chemistry Quiz with Answers will help you to secure maximum marks in upcoming academic as well as competitive exams in Pakistan.
We have collected all the data and we have tried to provide you with the best information related to the Chemistry Quiz with their answers. These Multiple-choice questions will help you in the Preparation for Job tests, Interviews, competitive exams, etc.
Chemistry Online Quizzes
Free Chemistry Quiz Test 03 test contains multiple-choice questions with answers for competitive exam preparation. We have provided Free Chemistry online quizzes below which include questions related to different topics.
Youth For Pakistan has provided an excellent opportunity for the students to prepare for their Chemistry Quizzes online test. These Online Online Quizzes cover all the topics and provide wide knowledge to clear their test.
Free Chemistry Quiz Test 03
When a compressed gas is allowed to pass through a nozzle of a jet into a region of low pressure it produces?
(A) Fusion
(B) Cooling
(C) Expansion
(D) Vaporization
Which of the following at ordinary temperature the most nearly ideal gases are?
(A) N2
(B) He
(C) H2
(D) All of these
Which of the following gas diffuses more rapidly?
(A) H2
(B) O2
(C) So3
(D) NH3
What is the Vapor Pressure of water at different temperature?
(A) Low
(B) High
(C) Same
(D) Different
Which of the following liquid is more volatile?
(A) Benzene
(B) Water
(C) Honey
(D) None of these
Which of the liquid has higher boiling point than other liquids?
(A) HCl
(B) HBr
(C) Br2
(D) H2O
Which of the following liquid has high vapor pressure than other liquids?
(A) CH3OH
(B) H2O
(C) C2H5OH
(D) Ether
Which of the following is not a macromolecule ?
(A) sand
(B) haemoglobin
(C) diamond
(D) maltose
Percentage of calcium in calcium carbonate is____?
(A) 80%
(B) 30%
(C) 40%
(D) 20%
How many isotopes have odd atomic number ?
(A) 154
(B) 280
(C) 86
(D) 300
The number of moles of CO2 which contains 16 g of oxygen is_______?
(A) 0.25
(B) 0.5
(C) 0.75
(D) 1
The volume occupied by 2.8 g of N2 at STP_____________?
(A) 2.24 dm3
(B) 22.4 dm3
(C) 1.12 dm3
(D) 112 dm3
Empirical formula of chloroform is _______________?
(A) CH2 C12
(B) CH3C1
(C) CC14
(D) CHCL3
The number of isotopes of elements with even mass number and even atomic number are _________?
(A) 280
(B) 300
(C) 154
(D) 54
Which of the following terms is not used for ionic compound ?
(A) formula unit
(B) empirical formula
(C) molecular formula
(D) formula mass
Which one of the following has the maximum number of isotopes ?
(A) oxygen
(B) carbon
(C) tin
(D) chlorine
Bolometer is used to measure
(A) Frequency
(B) Temperature
(C) Wavelength
(D) Velocity
A jet engine works on the principle of conservation of
(A) Linear momentum
(B) Angular momentum
(C) Energy Mass
(D) Mass Velocity
What is the scale used for measuring the intensity of the earthquake?
(A) Metric Scale
(B) Quake Scale
(C) Richter Scale
(D) Epicentre Scale
If a lift is going up with acceleration, the apparent weight of a body is
(A) More or less the true weight
(B) Less than the true weight
(C) Equal to the true weight
(D) More than the true weight
The electric motor converts
(A) Electrical energy into mechanical energy
(B) Mechanical energy into electrical energy
(C) Electrical energy into light energy
(D) None of these
Energy possessed by a body in motion is called
(A) Kinetic Energy
(B) Potential Energy
(C) Both A and B
(D) None of these
What is the unit of Astronomical Distance ?
(A) Light year
(B) Angstrom
(C) Weber
(D) Lux
Which law is also called the law of inertia ?
(A) Newton s first law
(B) Newton s Second Law
(C) Newton s Third Law
(D) None of these
The rotational effect of a force on a body about an axis of rotation is described in terms of the
(A) Centre of gravity
(B) Centripetal force
(C) Centrifugal force
(D) Moment of force
Elecronegativity is the measure of
(A) Metallic character
(B) Non-metallic character
(C) Basic Character
(D) None of these
With the increase of pressure, the boiling point of any substance
(A) Increases
(B) Decreases
(C) Remains Same
(D) Becomes zero
A man presses more weight on earth at
(A) Sitting position
(B) Standing Position
(C) Lying Position
(D) None of these
Which of the following is the main ingredient of cement?
(A) Limestone
(B) Silica Clay
(C) Gypsum
(D) Ash
Nylon is prepared from
(A) Adipic acid and hexametheylene diamine
(B) Ethylene glycol and nitric acid
(C) Hexametheylene diamine and phthalic acid
(D) Ethylene clycol and adipic acid
Mass number of a nucleus is
(A) the sum of the number of neutrons and protons
(B) always more than the atomic weight
(C) always less than its atomic number
(D) None of these
Due to rusting the weight of iron
(A) decreases
(B) remains the same
(C) increases
(D) uncertain
When water is added to anhydrous white copper sulphate, the color will change to
(A) Yello
(B) Green
(C) Blue
(D) Red
Atmosphere contains dust particles, salt grains, pollen grains, smoke, etc. which are collecctively known as
(A) Water vapour
(B) Ozone
(C) Aerosols
(D) CFC
When TEL (Tera Ethyl Lead) is added to petrol
(A) It increases the B.P of petrol
(B) Increases the aniti-knocking rating
(C) Decreases the B.P of petrol
(D) Decreased the ani-kncking rating
The macro-nutrient provided by inorganic fertilization are
(A) C, Fe, B
(B) N, P, K
(C) C, N, P
(D) Mg, Zn, Fe
Which one of the following is not used to dope a semiconductor ?
(A) Al
(B) B
(C) In
(D) Au
On wound ________ fight foreign particles, like bacteria.
(A) White Blood Cells
(B) Red Blood Cells
(C) Platelets
(D) Plasma
Cilia are produced from
(A) Mitochondria
(B) Cell-Membrane
(C) Centriole
(D) Cytoplasm
Which of the following has the highest entropy?
(A) Hydrogen
(B) Diamond
(C) Liquid Nitrogen
(D) Mercury
Neutral solution has pH value of
(A) 3
(B) 5
(C) 7
(D) 14
Butyl chloride gives possible isomers ?
(A) 2
(B) 3
(C) 5
(D) 4
Metallic crystals are soluble in
(A) Polar solvent
(B) Non polar solvent
(C) Fused metal
(D) None of these
Which of the following properties prove that cathode rays are material in nature
(A) they cast shadow
(B) they possess momentum
(C) they are negatively charged
(D) all of the above
Paramagnetic behaviour of substance is measured by a balance called
(A) Analytical balance
(B) Guoys balance
(C) Electrical balance
(D) Single beam balance
When methl iodide and ethyl iodide are treated with sodium metal possible major products are obtained ?
(A) 1
(B) 2
(C) 3
(D) 4
Which of the following is mineral fiber ?
(A) Teflon
(B) asbestos
(C) saran
(D) acrylic
The hardest of the following solids is
(A) sodium
(B) diamond
(C) graphite
(D) magnesium
Which of the solid does not contain covalent bond
(A) copper
(B) ice
(C) diamond
(D) graphite
The balanced chemical equation for the reaction which occurs when Be is added to water is
(A) Be+2H2O?Be (OH)2+H2
(B) Be+H2O?Be (OH)2+H2
(C) Be+H2O?[Be (OH)4]+2+H2
(D) no reaction
Which of the following theories is superior to others
(A) VSEPR
(B) VBT
(C) MOT
(D) None of these
Which of the following is not characteristics of reversible reaction
(A) whole amount of reactant does not change into product
(B) chemical equilibrium is established
(C) a catalyst changes the direction of reaction
(D) None of these
1 mole of electron has mass in microgram
(A) 1.008 x 10-3
(B) 5.5 x 10-4
(C) 1.84 x 10-4
(D) 1.673 x 10-3
The use of antifreeze in the automobile radiator is an important application of
(A) constitutive property
(B) additive property
(C) colligative property
(D) intrinsic property
At which electrode the reduction of the solution is occurring in Al-Ag cell
(A) Au
(B) Ag
(C) Both A & B
(D) None of these
In which of the following type of reactions energy of reactant is greater than energy of product
(A) endothermic
(B) exothermic
(C) unpredictable
(D) same
Which of following metals can be displaced by all other metals from its solution ?
(A) Ag
(B) Au
(C) Cu
(D) None of these
Across short period the melting and boiling point increase upto
(A) IIIA group
(B) IVA group
(C) VA group
(D) VIA group
Which of the following is the formula of chrome red ?
(A) Pb3 O4
(B) 2Pb CO3 – Pb (OH)2
(C) Pb Cr O4 – Pb (OH)2
(D) Pb2O
Regular coiling or zigzagging of polypeptide through hydrogen bonding is its
(A) Quantum structure
(B) Secondary structure
(C) Tertiary structure
(D) Primary structure
Benzene is a good solvent for
(A) fats
(B) resins
(C) iodine
(D) All of these
Which of the following element doesnot show allotropy
(A) Carbon
(B) Arsenic
(C) Nitrogen
(D) Sulphur
Which acid is produced when milk gets sour?
(A) Acetic acid
(B) Tartaric acid
(C) Lactic acid
(D) Butyric acid
Which of the following vitamins is synthesised in the body by intenstinal bacteria?
(A) Vitamin B1
(B) Vitamin B4
(C) Vitamin D
(D) Vitamin K
The Magnalium is an alloy of what?
(A) Magnesium and Lead
(B) Aluminium and Magnesium
(C) Aluminium and Zinc
(D) Aluminium and Mercury
The metal that is occurred in the free state is
(A) Iron
(B) Lead
(C) Mercury
(D) Copper
What is the total energy of a revolving electron that is in an atom?
(A) Can have any value above zero
(B) Can never be positive
(C) Cannot be negative
(D) None of these
Which element does not occur in nature but we can make it artificially?
(A) Uranium
(B) Plutonium
(C) Radium
(D) Thorium
An element that is required for the solar energy conversion is
(A) Ultra-pure carbon
(B) Beryllium
(C) Silicon
(D) Tantalum
What is the ratio of pure gold in the 18 carat gold?
(A) 0.5
(B) 0.75
(C) 0.8.5
(D) 0.9
The kind of soil that we treat with the gypsum for making it suitable for cropping is
(A) Acidic
(B) Alkaline
(C) Waterlogged
(D) Soil with excessive clay content
What is Mercury called?
(A) Shine Silver
(B) Slow Silver
(C) Quick Silver
(D) Slippery Silver
The copper is refined by
(A) Zone Refining
(B) Oxidation
(C) Roasting
(D) Electrolysis
Which of the following is an element?
(A) Ruby
(B) Sapphire
(C) Diamond
(D) Emerald
Potassium Permanganate is used for purifying drinking water, because
(A) It is a sterilising agent
(B) It dissolves the impurities of water
(C) It is a reducing agent
(D) It is an oxidising agent
Which of the following metals remain in liquid for under normal conditions?
(A) Radium
(B) Zinc
(C) Uranium
(D) Mercury
Which of the following is the lightest metal?
(A) Mercury
(B) Lithium
(C) Lead
(D) Silver
Amalgams are
(A) Highly coloured alloys
(B) Alloys which contain mercury as one of the contents
(C) Alloys which have great resistance to abrasion
(D) Alloys which contain carbon
The main constituents of pearls are
(A) Calcium Oxide and Ammonium Chloride
(B) Calcium Carbonate and Magnesium Carbonate
(C) Aragonite and Conchiolin
(D) Ammonium Sulphate and Sodium Carbonate
Which of the following is not an isotope of hydrogen?
(A) Tritium
(B) Deuterium
(C) Protium
(D) Yttrium
Water is a good solvent of ionic salts because
(A) It has a high specific heat
(B) It has no colour
(C) It has a high dipole moment
(D) It has a high boiling point
Bell metal is an alloy of
(A) Nickel and Copper
(B) Zinc and Copper
(C) Brass and Nickel
(D) Tin and Copper
Which metal pollute the air of a big city?
(A) Copper
(B) Chromium
(C) Lead
(D) Cadmium
Which of the following does not contain a coinage metal?
(A) Silver and Gold
(B) Zinc and Gold
(C) Copper and Silver
(D) Copper and Gold
Balloons are filled with
(A) Nitrogen
(B) Helium
(C) Oxygen
(D) Argon
Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products?
(A) Television
(B) Refrigerator
(C) Tube light
(D) Cooking gas
Air is a/an
(A) Compound
(B) Element
(C) Electrolyte
(D) Mixture
LPG consists of mainly
(A) Methane, Ethane and Hexane
(B) Ethane, Hexane and Nonane
(C) Methane, Hexane and Nonane
(D) Methane, Butane and Propane
Marsh gas is
(A) Nitrogen
(B) Ethane
(C) Methane
(D) Hydrogen
Permanent hardness of water can be removed by adding
(A) Chlorine
(B) Washing Soda
(C) Potassium Permanganate
(D) Bleaching Powder
In fireworks, the green flame is produced because of
(A) Sodium
(B) Barium
(C) Mercury
(D) Potassium
Diamond is an allotropic form of
(A) Germanium
(B) Carbon
(C) Sulphur
(D) Silicon
The filament of an electric bulb is made of
(A) Tungsten
(B) Nichrome
(C) Graphite
(D) Iron