Chemistry Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests
“ Chemistry Mcqs “. Tab this page to check “Latest Chemistry MCQs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others. The most occurred mcqs of Chemistry in past papers. Past papers of Chemistry mcqs. Past papers of Chemistry MCQs. Chemistry Mcqs are the necessary part of any competitive / job related exams. The Chemistry mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Chemistry mcqs. The Important series of Chemistry Mcqs are given below:
Parke’s process is used in the extraction of________?
A. Sodium
B. Iron
C. Silver
D. Zinc
In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?
A. 2FeS+3O2——–> 2Fe+ SO2
B. CaO+ SiO2——> CaSiO3
C. FeSiO3———> FeSiO3
D. Fe2O3+ 3CO——–> 2Fe+ 3CO2
Gypsum is______?
A. CaSO4.1/2H2O
B. CaSO4
C. CaSO4,2H2O
D. CaSO4.3H2O
Basicity of orthophosphoric acid is________?
A. 4
B. 3
C. 2
D. 5
Ce58 is a member of__________?
A. P-block
B. S-block
C. d-block
D. f-block
Electronic Configuration of Calcium (Ca) atom may be written as________?
A. Ne, 4s2
B. Ar, 4s2
C. Ne, 4p2
D. Kr,4p2
A 10 volume solution of H2O2 means_______?
A. 10 litres of H2O2 liberates 19 mL of O2 at STP
B. 10 gram equivalents of H2O2 liberates 10 mL of O2 at STP
C. 10 grams of H2O2 solution liberate 10 mL of O2 at STO
D. 1mL of solution of H2O2 liberates 10 mL of O2 at STP
The volume strength of 1.5 N H2O2 solution is_______?
A. 5.2
B. 4.8
C. 8.8
D. 8.4
The structure of H2O2 is_______?
A. Spherical
B. Non- polar
C. Planar
D. Linear
Chemistry Mcqs
Which of the following element has the maximum electron affinity_____?
A. Cl
B. I
C. Br
D. F
The type of hybridisation of boron in diborane is______?
A. Sp- hybridisation
B. Sp3- hybridisation
C. Sp2- hybridisation
D. Sp3d2- hybridisation
Which of the following shows electrical conduction_____?
A. Diamond
B. Graphite
C. Potassium
D. Sodium
Cassiterite is an ore of_______?
A. Ni
B. Mn
C. Sb
D. Sn
Percentage of lead in lead pencil is________?
A. Zero
B. 80
C. 20
D. 70
In borax bead test which compound is formed_________?
A. Double oxide
B. Meta borate
C. Ortho burate
D. Tetra borate
Water molecule is________?
A. V-shaped
B. Pyramidal
C. Angular
D. Triangular planer
I3( Tri-iodine) has shape_________?
A. Square bipyramidal
B. Linear
C. Trigonal bipyramidal
D. Both A and C
BeCl2 has the hybrid orbitaks of type_______?
A. Sp3
B. Sp2
C. Sp
D. dsp2
Molecular orbital Theory is also called_________?
A. Band theory
B. Bonding theory
C. Antibondingtheory
D.π and σ bonding theory
Formula of Galena is________?
A. PbS
B. AS2S3
C. HgS
D. FeS2
Ethylene diammine is ligand________?
A. tri dentate
B. Bi dentate
C. mono dentate
D. Poly dentate
If volumetric analysis methyl orange indicator is used when_________?
A. Acid is strong
B. Bade is strong
C. Acid is weak
D. Acid is strong base is weak
For the reaction 2HI ____________> H2+ I2
A. Kc > kp
B. Kp > kc
C. Kp= kc
D. Kp ≤ kc
The reaction of Lucas reagent is the fastest with_________?
A. CH3(CH2)OH
B. (CH3)2CHOH
C. CH3CH2OH
D. (CH3)3COH
If a compound contains 24 gram of carbon 2 gram of hydrogen and 64 gram of oxygen then its empirical formula will be________?
A. CH2
B. C2H2O4
C. CH2O
D. CHO2
Noble gases are so called zero group because they have:_________?
A. Zero Electronegativity
B. Zero Valency
C. Zero Electron Affinity
D. Both A and B
E. All of these
What is chemical symbol for Tungsten?
A. T
B. Z
C. Tn
D. W
The composition of ‘ Golden spangles is_________?
A. PbCrO4
B. As2Cr2O7
C. PbI2
D. BaCrO4
When SO2 solution is passed over which of the following it turns green?
A. K2Cr2O7
B. SO3
C. H2SO4
D. P2O5
A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?
A. 32
B. 24
C. 36
D. 40
The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?
A. 0.16g
B. 0.12g
C. 0.18g
D. 0.24g
The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______?
A. 0.65gm
B. 0.065gm
C. 6.5gm
D. 7.5gm
Which of the following compounds is not soluble in HNO3___?
A. CdS
B. CuS
C. PbS
D. AgCl
Following are the anions of soap which form Ca and Mg ions which we see as curd in water
A. Sodium octadecanoate
B. Sodium hexadecanoate
C. Sodium pentadecanoate
D. Both A & B
The hybridization of nitrogen atom in pyridine is_______?
A. Sp3
B. Sp2
C. Sp
D. It is not hybridized
The IUPAC name of pyridines is__________?
A. Azolidins
B. Azine
C. Azolo
D. Diazine
How many isomeric aldoses are possible for the molecular formula C6H12O6?
A. 4
B. 2
C. 7
D.16
The systematic name of sucrose is_______?
A. 1-α-D- glucopyranosyl-2-β-D-fructopyranoside
B. 1-α-D- glucofuranosyl-2-α-D- fructopyranoside
C. 11-α-D-glucopyranosyl-2-β-D-fructofuranoside
D. 1-β- D- glucofuranosyl-2-α- D- fructofuranoside
Treatment of sucrose with conc. HNO3 gives__________?
A. Nitrosucrose
B. Oxalic acid
C. Glucose+ fructose
D. Laevulinic acid
Alpha (α) particles are helium (He) nucleus with a charge of __________ ?
A. 3e
B. 2e
C. e
D. 4e
Elements which emit natural radioactivity are known as __________ ?
A. Active elements
B. Radio elements
C. Radioactive elements
D. Nuclear elements
A helium nucleus comprising of two protons and two neutrons with a charge of 2e is _________ ?
A. Gamma particle
B. Beta particle
C. Alpha particle
D. Negative particle
In SI base units, 1 Bq is equal to __________ ?
A. 1.5 disintegration per second
B. 10 disintegration per second
C. 0.01 disintegration per second
D. 1 disintegration per second
Chromatography is used to separate _________ ?
A. Molecules
B. Mixtures
C. Solution
D. Atoms
In a group, atomic radii increase due to successive increase of _________ ?
A. Electronic shells
B. Neutron shells
C. Proton shells
D. Nucleus
Distance at which attractive forces of hydrogen overcome repulsive forces is __________ ?
A. 75.3pm
B. 75.2pm
C. 75.5pm
D. 75.4pm
Quantum numbers are __________ ?
A. Leometric values
B. Numerical values
C. Arithmetical values
D. Logical values
Column of manometer which faces liquid is __________ ?
A. Compressed
B. Depressed
C. Raised
D. Remains same
Process used to separate insoluble particles from liquids is ___________ ?
A. Sieving
B. Filtration
C. Drying
D. Extraction
Effective volume is usually taken for ____________ ?
A. 5 moles of gas
B. 1 mole of gas
C. 2 moles of gas
D. 3moles of gas
In whole Periodic Table which element Is Most Reducing Agent ?
A. Helium
B. lithium
C. Chlorine
D. Neon
which Compound Destroy The OZONE ?
A. CH3COOH
B. CFCs
C. BOTH A & B
D. None Of These
A scale which used to measure the Hydrogen Ion concentration in a solution is known as__________?
A. Viscometer
B. Thermometer
C. PH Scale
D. Stagmometer
Example of ‘globular’ proteins is __________ ?
A. Primary protein
B. Enzymes
C. Peptide
D. Secondary proteins