Engineering Chemistry NEET MCQs with Answers
Engineering Chemistry NEET MCQs with Answers
Multiple Choice Question Answer: c The ratio of the rate constant of a reaction at two temperatures differing by how much 0C is called the temperature coefficient of the reaction?
(A). 2
(B). 100
(C). 20
(D). 10
(E). None of these
Multiple Choice Question Answer: d
Which of the following is the Natural rubber?
(A). Acrylonitrile
(B). Ethylene glycol
(C). Butadiene
(D). Polyisoprene
(E). None of these
Multiple Choice Question Answer: d
Not the essential structural requirement of an elastomer is ______________
(A). Rigidity in structure
(B). Weak intermolecular forces
(C). Long flexible chains
(D). Occasional cross-linking
(E). None of these
Multiple Choice Question Answer: a
The method that is satisfactory just for a simple homogeneous reaction is _______________
(A). Graphical method
(B). Integration method
(C). Half-life period method
(D). Ostwald’s isolation method
(E). None of these
Multiple Choice Question Answer: b
The amount of sulphur that is added always determines the extent of the stiffness of vulcanised rubber.
(A). False
(B). True
(E). None of these
Multiple Choice Question Answer: b
At which of the following temperature the raw rubber is heated for the vulcanisation process?
(A). 0-10 0C
(B). 10-50 0C
(C). 100-140 0C
(D). 50-100 0C
(E). None of these
Multiple Choice Question Answer: c
Which of the following is the incorrect statement?
(A). Raw rubber is durable
(B). Raw rubber is attacked by oxidizing agent
(C). In the organic solvents, it always undergoes the swelling and
the disintegration
(D). The Raw rubber is always weak and have very low tensile strength
(E). None of these
Multiple Choice Question Answer: a
What is A zero-order reaction?
(A). the one Whose rate increases with time
(B). the one In which one of the reactants is in large excess
(C) the one In which the rate is independent of the reactants concentration
(D). ). the one Whose rate is not affected by time
(E). None of these
Multiple Choice Question Answer: c
Which of the following is the tensile strength(kg/cm 2) of vulcanised rubber?
(A). 200
(B). 5000
(C). 500
(D). 2000
(E). None of these
Multiple Choice Question Answer: d
Which of the following is the percentage of butadiene and styrene in Buna-S?
(A). 75% and 25% respectively
(B). 60% and 40% respectively
(C). 80% and 20% respectively
(D). 50% each
(E). None of these
Multiple Choice Question Answer: a
Which of the following is the structural formula of isoprene?
(A). 2-benzyl-1,3-butadiene
(B). 3-benzyl-1,2-butadiene
(C). 2-methyl-1,3-butadiene
(D). 3-methyl-1,2-butadiene
(E). None of these
Multiple Choice Question Answer: c
What happens to the half life period of a first order reaction vary with temperature?
(A). It remains the same
(B). It increases
(C). It decreases
(D). Both increases as well as decrease
(E). None of these
Multiple Choice Question Answer: a
The Temperature dependence of reaction rates can be studied by plotting a graph between which of the following?
(A). Concentration of products and temperature
(B). Rate constant and temperature
(C). Concentration of reactants and temperature
(D). Rate of catalysis and temperature
(E). None of these
Multiple Choice Question Answer: b
According to Arrhenius equation, rate constant(k) is proportional to which of the following?
(A). Activation Energy (E)
(B). e1/E
(C). e-E
(D). eE
(E). None of these
Multiple Choice Question Answer: b
At 200C for a reaction having the activation energies in the presence and absence of catalyst as 50 kJ/mol and 75 kJ/mol, the rate of reaction increases ______________ times
(A). 10000
(B). 30000
(C). 1000
(D). 50000
(E). No ne of these
Multiple Choice Question Answer: b
The method that is used for determining the order of the reaction in which two or more reactants take part is _____________
(A). Ostwald’s isolation method
(B). Integration method
(C). Graphical method
(D). Half life period method
(E). None of these
Multiple Choice Question Answer: a
In the vulcanisation process, with wich of the following the raw rubber is heated?
(A). Oxygen
(B). Calcium
(C). Carbon
(D). Sulphur
(E). None of these
Multiple Choice Question Answer: d
The incorrect statement is that the Vulcanised rubber has ______________
(A). high elasticity
(B). only slight tackiness
(C). excellent resilience
(D). tensile strength 10 times more than raw rubber
(E). None of these
Multiple Choice Question Answer: a
Engineering Chemistry MCQs
Solved MCQs of engineering Chemistry.
- Engineering Chemistry Important MCQs
- Adsorption Isotherm MCQs | Chemistry
- Biodegradable Polymers MCQs
- Chromatography MCQs
- Polymer MCQs
- Chirality MCQs
- Conductivity and Conformations MCQs
- Crystallization and Dendrimers MCQs
- Distillation and Effect of Temperature on reaction rate
- Elastomers MCQs
- Electromeric Effect and Electronic Spectroscopy MCQs
- Electrophilic Substitution Reaction MCQs
- Engineering Materials and Fibers MCQs
- Fission of Covalent Bond MCQs
- Fractional Distillation MCQs
- Gibb’s Phase Rule Solved MCQs
- Hybridization, Homonuclear and Heteronuclear Molecules MCQs | Chemical Engineering MCQs
- Hyperconjugation and Inductive Effect MCQs
- Chemical Reactions MCQs
- Intermolecular Forces and Melting Point MCQs
- Laws of Photochemistry and Mesomeric Effect MCQs
- Micelles and Molecular Aggregation MCQs Questions Answers
- Molecular Spectroscopy and Molecularity of a Reaction MCQs
- Nuclear Magnetic Resonance and Components MCQs Questions Answers
- Nucleophilic Substitution Reaction MCQs
- Optical Isomerism and Order of a Reaction MCQs
- Organic Conducting Polymers and Origin of spectrum MCQs
- Particle Size Measurement and Pseudo Order Reaction MCQs
- Phases and Components MCQs
- Photochemical Reactions and Photosynthesis MCQs
- Polymerization, Polymer Blends, and Polymeric Composites MCQs
- Quantum MCQs
- Silicones and Polymeric Composites and R, S- Configuration and Water Softening MCQs
- Stereoselectivity, Stereospecificity and Stereo Structure of Polymers MCQs
- Steam Distillation and Surface Tension MCQs
- Thermoplastic Polymers MCQs
- Chromatography and Vibrational Spectroscopy MCQs
- Valence Bond Theory and Two-Component System MCQs