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Quizglory::Challenge Yourself
Chemical Reactions and Equations Part-1
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Q.1 : A chemical reaction involves in:
A:
Only breaking bonds
B:
Only formation of bonds
C:
Both breaking and formation of bonds
D:
None of these
Q.2 : Which of the following information is not given by chemical reaction?
A:
Physical state of reactant & Product
B:
Temperature & Pressure
C:
Energy involved in reaction
D:
Feasibility and rate of reaction
Q.3 : Which of the following law of chemical combination is satisfied by balancing equation?
A:
Law of conservation of motion
B:
Law of conservation of magnetization
C:
Law of conservation of mass
D:
Law of conservation of momentum
Q.4 : In chemical reaction of zinc with dilute Sulphuric acid, do we observe any evolution of gas:
A:
Yes
B:
No
Q.5 : Which of the following is an exothermic process?
A:
Dilution of sulphuric acid
B:
Sublimation of dry ice
C:
Condensation of water vapour
D:
None of these
Q.6 : Which of the following is a chemical change?
A:
Sublimation of Ammonium chloride
B:
Cutting of wood
C:
Melting of wax
D:
Rusting of iron
Q.7 : Choose the correct statement:
A:
Increase in concentration of reactant increases rate of a reaction
B:
Decrease in temperature increase rate of reaction
C:
A catalyst can never slow down the rate of reaction
D:
Reaction between ionic compounds are slow
Q.8 : Which of the following statement is correct about equilibrium state of reaction?
A:
Reaction stops at equilibrium
B:
Equilibrium can also be attained in irreversible reaction
C:
Catalyst can help attain equilibrium faster
D:
None of these
Q.9 : Which of the following is an endothermic reaction?
A:
Condensation of water vapour
B:
Respiration
C:
Combustion
D:
Photosynthesis
Q.10 : During electrolysis of water, Hydrogen and Oxygen are formed in ratio of x:y by volume x and y can be:
A:
1:2
B:
2:1
C:
1:3
D:
5:3