Chemical Reaction Engineering Quiz | Chemical Reaction Engineering Multiple Choice Questions(MCQs) & Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 For the hydrolysis of methyl acetate in presence of acids
A the order of reaction is 1 and molecularity is 2
B the order of reaction is 2 and molecularity is 2
C the order of reaction is 2 and molecularity is 1
D the order of reaction is 1 and molecularity is 1

Answer: the order of reaction is 1 and molecularity is 2
2 The excess energy of the reactants required to dissociates into products is known as
A activation energy
B binding energy
C threshold energy
D thermal energy

Answer: activation energy
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 A reaction which proceeds with evolution of heat is called
A thermo-nuclear reaction
B endothermic reaction
C exothermic reaction
D photochemical reaction

Answer: exothermic reaction
4 A reaction which proceeds with absorption of heat is termed as
A exothermic reaction
B endothermic reaction
C thermo-chemical reaction
D photochemical reaction

Answer: endothermic reaction
5 Which of the following is a catalytic reaction?
A Synthesis of water by passing electric sparks through a mixture of hydrogen and oxygen
B Neutralization of a dilute alkali solution by a small amount of a conentrated acid
C Hydrolysis of an ester in the presence of H+
D Darkening of silver halides in light

Answer: Hydrolysis of an ester in the presence of H+
6 The formation of water from H2(g) and O2(g) is an exothermic reaction because
A H2(g) and O2(g) have a higher chemical energy than water
B H2(g) and O2(g) have a higher temperature than water
C H2(g) and O2(g) have a lower chemical energy than water
D energy considerations do not arise

Answer: H2(g) and O2(g) have a higher chemical energy than water
7 An exothermic reaction is that in which the reacting substances
A have more energy than the products
B have less energy than the products
C have as much energy as the products
D are at a higher temperature than the products

Answer: have more energy than the products
8 The reaction between organic material and oxygen is
A an endothermic reaction
B an exothermic reaction
C a photochemical reaction
D a biochemical reaction

Answer: an exothermic reaction
9 The rates of purely photochemical reactions do not depend on temperature to any significant extent because
A they are exothermic reactions
B they are endothermic reactions
C the energy of the reacting molecules exceeds the activation energy by absorption of light
D they are reversible reactions

Answer: the energy of the reacting molecules exceeds the activation energy by absorption of light
10 Plants manufacture carbohydrates from the carbon dioxide of the atmosphere by
A oxidation
B polymerization
C condensation with water
D a photochemical reaction

Answer: a photochemical reaction
11 A photochemical reaction is
A catalysed by light
B initiated by light
C accompanied with emission of light
D used to convert heat energy into light

Answer: initiated by light
12 Reaction between neutral solution of barium chloride and sodium carbonate goes to completion because
A the reaction is irreversible
B sodium chloride is only sparingly soluble in water
C barium carbonate is almost insoluble in water
D the solubility of BaCI2 decreases in the presence of sodium carbonate

Answer: barium carbonate is almost insoluble in water
13 The reaction CH2 = CH2 + Br2 ?? CH2 Br ?CH2Br is
A a substitution reaction
B an addition reaction
C a molecular rearrangement
D a photochemical reaction

Answer: an addition reaction
14 A chemical reaction occurs when the energy of the reacting molecules is
A less than the activation energy of the reaction
B equal to the activation energy of the reaction
C more than the activation energy of the reaction
D equal to or more than the activation energy of the reaction

Answer: equal to or more than the activation energy of the reaction
15 The symbolic representation of the molecule of a compound is called
A structural formula
B molecular formula
C empirical formula
D graphic formula

Answer: molecular formula
16 Chemical reactions involve the participation of
A electrons
B protons
C neutrons
D nuclei

Answer: electrons
17 When a correctly written chemical equation is balanced
A the number of atoms of each kind on each side should be equal
B all molecules are diatomic
C all substances are in the same physical state
D the sum of the coefficient on both sides is the same

Answer: the number of atoms of each kind on each side should be equal
18 An imbalanced equation is against the
A law of gaseous volumes
B law of constant proportions
C law of conservation of mass
D law of multiple proportions

Answer: law of conservation of mass
19 A balanced chemical equation is in accordance with
A law of gaseous volumes
B law of Avogadro
C law of constant proportions
D law of conservation of mass

Answer: law of conservation of mass
20 Which one of the following statements about a chemical equation is true?
A Mass is conserved
B Mass as well as atoms are conserved
C Atoms are conserved
D Ions are conserved

Answer: Mass as well as atoms are conserved

Random GK Questions

Q. Which cricketer(s) took hat-trick in World cup 2015?
Q. The contribution of agriculture to India’s economy is:
Q. The metallic constituents of hard water are
Q. The largest production of paper (newsprint) comes from
Q. Which of the following organizations in India is mainly working to meet the credit needs of all types of agricultural and rural development activities ?
Q. Which Mughal emperor gave land for the construction of the Golden temple at Amritsar ?
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series