Chemistry MCQs

B. Exothermic
C. Moderate reaction
D. No reaction

Correct Answer: Exothermic ✔

Option A: Spectrophotometer method

Option B: Dilatometric method

Option C: Optical relation method

Option D: Refractometric method

Correct Answer: Spectrophotometer method ✔

Option A: Single

Option B: Square

Option C: Cube

Option D: Raise to power four

Correct Answer: Square ✔

Option A: Rate of reaction

Option B: Rate of formation of product

Option C: Energy released during reaction

Option D: A and B

Correct Answer: Rate of reaction ✔

Option A: Moles dm-3 sec-1

Option B: Moles dm-3

Option C: Moles sec-1

Option D: Mol-1 dm3 sec-1

Correct Answer: Moles dm-3 sec-1 ✔

Option A: Moderate

Option B: Slow

Option C: Fast

Option D: not natural

Correct Answer: Fast ✔

Option A: Temperature

Option B: Effective collision

Option C: Concentration of reactants

Option D: Chemical nature of reactants and products

Correct Answer: Effective collision ✔

Option A: Time

Option B: Concentration of the reactant

Option C: Temperature

Option D: Concentration of the product

Correct Answer: Temperature ✔

Option A: Increases as the reaction proceeds

Option B: Decreases as the reaction proceeds

Option C: Remains the same as the reaction proceeds

Option D: May decrease or increase as the reaction proceeds

Correct Answer: Decreases as the reaction proceeds ✔

Option A: dry zone burning zone decomposition zone cooling zone

Option B: cooling zone burning zone decomposition zone dry zone

Option C: burning zone cooling zone decomposition zone

Option D: dry zone decomposition zone burning zone cooling zone

Correct Answer: dry zone decomposition zone burning zone cooling zone ✔

Option A: lime stone

Option B: gypsum

Option C: KNO3

Option D: iron oxide

Correct Answer: iron oxide ✔

Option A: root

Option B: leave

Option C: stem

Option D: seed

Correct Answer: seed ✔

Option A: roasted calcareous material

Option B: roasted argillaceous material

Option C: roasted calcareous and argillaceous material

Option D: roasted gypsum

Correct Answer: roasted calcareous and argillaceous material ✔

Option A: form starch sugar and fibrous material

Option B: ripen the seeds and fruits

Option C: increase the resistance against disease

Option D: all the above statements are correct

Correct Answer: all the above statements are correct ✔

Option A: manure

Option B: urea

Option C: ammonium nitrate

Option D: All

Correct Answer: ammonium nitrate ✔

Option A: nitrogenous fertilizers

Option B: micronutrients

Option C: phosphorus fertilizer

Option D: all of the above

Correct Answer: micronutrients ✔

Option A: vlay

Option B: marine shells

Option C: slate

Option D: blast furnace slag

Correct Answer: marine shells ✔

Option A: KCI

Option B: KNO3

Option C: K2SO4

Option D: KMnO4

Correct Answer: KNO3 ✔

Option A: urea

Option B: DAP

Option C: Ammonium sulphate

Option D: Ammonium nitrate

Correct Answer: Ammonium nitrate ✔

Option A: Pt

Option B: ZnO + Cr2O3

Option C: Fe in fused mixture of Al2O3 + SiQ2 + MgO

Option D: All of the above

Correct Answer: Fe in fused mixture of Al2O3 + SiQ2 + MgO ✔

Option A: Cu

Option B: Cl

Option C: H

Option D: Zn

Correct Answer: H ✔

Option A: It enhances plant growth

Option B: It is involved in the synthesis of protein and nucleic acids

Option C: it accelerates fruits and flowers growth

Option D: It is involved in the chlorophyll synthesis

Correct Answer: it accelerates fruits and flowers growth ✔

Option A: to dry the moisture of slurry

Option B: to decompose lime stone to unslaked lime

Option C: combination of different oxides like CaO SiO2 Fe2O3 and Al2O3

Option D: to reduce the impurities

Correct Answer: combination of different oxides like CaO SiO2 Fe2O3 and Al2O3 ✔

Option A: 75% lime stone and 25% clay

Option B: 25% lime stone and 75% clay

Option C: 15% lime stone and 55% clay

Option D: 55% lime stone and 15% clay

Correct Answer: 75% lime stone and 25% clay ✔

Option A: crushing heating mixing grinding

Option B: crushing mixing heating grinding and mixing

Option C: crushing grinding mixing heating

Option D: mixing heating grinding crushing

Correct Answer: crushing grinding mixing heating ✔

Option A: Lime (CaO)

Option B: Silica (SiO2)

Option C: Alumina (Al2O3)

Option D: Magnesia (MgO)

Correct Answer: Lime (CaO) ✔

Option A: clay and clinker

Option B: clay lime stone and gypsum

Option C: lime stone and gypsum

Option D: lime stone and clay

Correct Answer: clay lime stone and gypsum ✔

Option A: urea

Option B: calcium superphosphate

Option C: diammonium phosphate

Option D: potassium nitrate

Correct Answer: diammonium phosphate ✔

Option A: 36%

Option B: 46%

Option C: 56%

Option D: 66%

Correct Answer: 46% ✔

Option A: CH4 N2 and CO2

Option B: H2 N2 and CO

Option C: H2 CO2 and H2O

Option D: H2O N2 and H2

Correct Answer: CH4 N2 and CO2 ✔

Option A: 4

Option B: 3

Option C: 2

Option D: 5

Correct Answer: 4 ✔

Option A: dry process

Option B: wet process

Option C: both

Option D: none

Correct Answer: both ✔

Option A: lime stone

Option B: marble

Option C: chalk

Option D: all of the above

Correct Answer: all of the above ✔

Option A: 60%

Option B: 65%

Option C: 70%

Option D: 75%

Correct Answer: 75% ✔

Option A: prilling

Option B: evaporation

Option C: condensation

Option D: crystallization

Correct Answer: prilling ✔

Option A: endothermic

Option B: exothermic

Option C: both a and b

Option D: no heat energy is involved

Correct Answer: exothermic ✔

Option A: straight

Option B: compound

Option C: both a and b

Option D: none of the above

Correct Answer: straight ✔

Option A: Rotation of the crops

Option B: Adding lime to the acid salts

Option C: Adding manure and growing legumes

Option D: All

Correct Answer: All ✔

Option A: Glucose

Option B: Triglycerides

Option C: Proteins

Option D: All

Correct Answer: Proteins ✔

Option A: Enzymes

Option B: Nitrogenous bases

Option C: Carbohydrates

Option D: Lipids

Correct Answer: Nitrogenous bases ✔

Option A: Enzyme

Option B: Substrate

Option C: Enzyme and substrate

Option D: Enzyme and product

Correct Answer: Substrate ✔

Option A: Isomerases

Option B: Lyases

Option C: Transferases

Option D: Ligases

Correct Answer: Isomerases ✔

Option A: Orgocalciferol

Option B: Vitamin D2

Option C: Sterol

Option D: all of the above

Correct Answer: Sterol ✔

Option A: Derived lipids

Option B: Simple lipids

Option C: Compound lipids

Option D: Not a type of lipids

Correct Answer: Compound lipids ✔

Option A: Skeleton tissues

Option B: Cardiac tissues

Option C: Connective tissues

Option D: Adipose tissues

Correct Answer: Adipose tissues ✔

Option A: Quantum structure

Option B: Secondary structure

Option C: Tertiary structure

Option D: Primary structure

Correct Answer: Secondary structure ✔

Option A: Nitrogen

Option B: Amino acids

Option C: Carbon and hydrogen

Option D: Sulphur

Correct Answer: Amino acids ✔

Option A: Soluble in water

Option B: Insoluble in water

Option C: Soluble in alcohol

Option D: Partially soluble in alcohol

Correct Answer: Soluble in water ✔

Option A: Acrylic acid

Option B: Epichlorohydrin

Option C: Vinyl chloride

Option D: Adipic acid with hexamethylene diamine

Correct Answer: Adipic acid with hexamethylene diamine ✔

Option A: Glucose

Option B: Glyceraldehydes

Option C: Oligosaccharides

Option D: Aldehydes and ketones

Correct Answer: Aldehydes and ketones ✔

Option A: Dihydric alcohol and dicarboxylic aromatic acids

Option B: Polyamines with aliphatic dicarboxylic acids

Option C: Styrene in the presence of catalyst

Option D: Epichlorohydrin with diphenylol propane

Correct Answer: Dihydric alcohol and dicarboxylic aromatic acids ✔

Option A: Copolymer

Option B: Terpolymer

Option C: Homopolymer

Option D: Biopolymer

Correct Answer: Terpolymer ✔

Option A: Cytosine

Option B: Thymine

Option C: Adenine

Option D: Guanine

Correct Answer: Thymine ✔

Option A: Duplication

Option B: Transcription

Option C: Replication

Option D: Mutation

Correct Answer: Replication ✔

Option A: Pus cells

Option B: Sperm heads

Option C: 1872

Option D: all of the above

Correct Answer: Pus cells ✔

Option A: Lactic dehydrogenase

Option B: Alkaline phosphatase

Option C: L-asparaginase

Option D: Cellulase

Correct Answer: L-asparaginase ✔

Option A: Oxidoreductases

Option B: Hydrolases

Option C: Isoenzymes

Option D: Isomerases

Correct Answer: Isoenzymes ✔

Option A: Acid

Option B: Alkali

Option C: Enzyme and alkali

Option D: Enzyme and acid

Correct Answer: Alkali ✔

Option A: Lyases

Option B: Ligases

Option C: Lipases

Option D: Hydrolases

Correct Answer: Lipases ✔

Option A: Glycerols

Option B: Fatty acids

Option C: Triesters formed from glycerol and fatty acids

Option D: Tetraesters formed from glycerol and fatty acids

Correct Answer: Triesters formed from glycerol and fatty acids ✔

Option A: Organic solvents

Option B: Organic and inorganic solvents

Option C: Inorganic solvents

Option D: Solubility has nothing to do with lipids

Correct Answer: Organic solvents ✔

Option A: Derived protein

Option B: Sample protein

Option C: Proteoses

Option D: Conjugated protein

Correct Answer: Conjugated protein ✔

Option A: Strecker

Option B: Sabatier

Option C: Runge

Option D: W. H. Carothers

Correct Answer: W. H. Carothers ✔

Option A: one monosaccharide unit

Option B: No monosaccharide unit

Option C: 2-9 monosaccharide unit

Option D: many monosaccharide

Correct Answer: 2-9 monosaccharide unit ✔

Option A: Cellulose glycogen galactose

Option B: Glyceraldehydes glucose peptone

Option C: Glycerol phospho lipids collagen

Option D: Legumin amylopectin albumin

Correct Answer: Cellulose glycogen galactose ✔

Option A: Polyester resins

Option B: Epoxy paints

Option C: Polyamide resins

Option D: Polyvinyl chloride

Correct Answer: Epoxy paints ✔

Option A: Vinyl chloride

Option B: Styrene

Option C: Methylmethacrylate

Option D: Hexamethylenediamine

Correct Answer: Methylmethacrylate ✔

Option A: Biopolymers

Option B: Dimers

Option C: Monomers

Option D: metamers

Correct Answer: Monomers ✔

Option A: activation

Option B: enameling

Option C: corrosion

Option D: coating

Correct Answer: corrosion ✔

Option A: oxides

Option B: silicates

Option C: slag

Option D: carbonates

Correct Answer: slag ✔

Option A: tetrahedral

Option B: square planar

Option C: trigonal bipyramidal

Option D: octahedral

Correct Answer: octahedral ✔

Option A: English

Option B: Greek

Option C: Roman numeral

Option D: Hebrew

Correct Answer: Roman numeral ✔

Option A: complex ion

Option B: coordination sphere

Option C: ligand

Option D: complex compound

Correct Answer: coordination sphere ✔

Option A: ligand

Option B: mono-dentate ligand

Option C: poly-dentate ligand

Option D: bi-dentate ligand

Correct Answer: ligand ✔

Option A: simples ions

Option B: complex ions

Option C: double salts

Option D: strong anions

Correct Answer: complex ions ✔

Option A: orbitals of f-subshell

Option B: orbitals of d-subshell

Option C: orbitals of p-subshell

Option D: both A & B

Correct Answer: both A & B ✔

Option A: diamagnetic

Option B: paramagnetic

Option C: good conductor

Option D: ferromagnetic

Correct Answer: paramagnetic ✔

Option A: lanthanides & actinides

Option B: s and p block elements

Option C: chalcogens and halogens

Option D: d and f block elements

Correct Answer: s and p block elements ✔

Option A: Potassium tetra cyano cupperate

Option B: Co-ordination number is 2

Option C: Ligand is positively charged

Option D: Central atom is present in avionic sphere

Correct Answer: Central atom is present in avionic sphere ✔

Option A: Sc

Option B: Y

Option C: Cd

Option D: Co

Correct Answer: Co ✔

Option A: dry cell

Option B: galvanic cell

Option C: electrolytic cell

Option D: A and B

Correct Answer: galvanic cell ✔

Option A: CaSiO3

Option B: Na2SiO3

Option C: Ca3(PO4)2

Option D: MnSiO3

Correct Answer: Ca3(PO4)2 ✔

Option A: SiO2

Option B: Fe2O3

Option C: FeO

Option D: CaO MgO

Correct Answer: CaO MgO ✔

Option A: 0.12 — 0.25%

Option B: 2.5 — 4.5%

Option C: 2.0 — 4.0%

Option D: 0.25 — 2.5%

Correct Answer: B. 2.5 — 4.5% ✔

Option A: type of ligands

Option B: types of hybridization in the elements of ligands

Option C: hybridization of central metal

Option D: All of above

Correct Answer: hybridization of central metal ✔

Option A: polydentate ligand

Option B: chelate

Option C: monodentate ligand

Option D: hydrate

Correct Answer: chelate ✔

Option A: ammine

Option B: oxalato

Option C: carbonyl

Option D: cyano

Correct Answer: oxalato ✔

Option A: anion

Option B: cation

Option C: Ligand is positively charged

Option D: acid

Correct Answer: Ligand is positively charged ✔

Option A: hydrates

Option B: hydrides

Option C: binary compounds

Option D: interstitial compounds

Correct Answer: interstitial compounds ✔

Option A: variable

Option B: constant

Option C: single

Option D: infinite

Correct Answer: variable ✔

Option A: [Ar]4s23d4

Option B: [Ar] 4s23d4

Option C: [Ar]4s03d5

Option D: [Ar]4s13d5

Correct Answer: [Ar]4s13d5 ✔

Option A: corrode slowly

Option B: corrode rapidly

Option C: does not corrode easily

Option D: none of these

Correct Answer: does not corrode easily ✔

Option A: increases

Option B: decreases

Option C: remain same

Option D: no regular trend

Correct Answer: increases ✔

Option A: outer transition elements

Option B: inner transition elements

Option C: typical transition elements

Option D: transition elements

Correct Answer: transition elements ✔

Option A: Zn Cd Hg

Option B: Fe Ru Os

Option C: Cr Mo W

Option D: Mn Te Re

Correct Answer: Cr Mo W ✔

Option A: 0

Option B: 2

Option C: 4

Option D: 6

Correct Answer: 4 ✔

Option A: 2

Option B: 6

Option C: 4

Option D: 8

Correct Answer: 6 ✔

Option A: 0.76

Option B: -0.76

Option C: -0.55

Option D: 0.55

Correct Answer: 0.76 ✔

Option A: 7

Option B: 6

Option C: -7

Option D: -6

Correct Answer: 6 ✔

Option A: valency

Option B: coordination number

Option C: oxidation number

Option D: charge number

Correct Answer: oxidation number ✔