Chapter 10: Types of Chemical Reactions - Online Test
Q1. H2(g)
+ Cl29(g) → 2HCl(g) is a
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. Photolysis is a decomposition reaction caused by ___________
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. A
reaction between carbon and oxygen is represented by C(s) + O2(g)
→ CO2(g) + Heat. In which of the type(s), the above reaction can be
classified?
(i)
Combination Reaction
(ii)
Combustion Reaction
(iii)
Decomposition Reaction
(iv)
Irreversible Reaction
Answer : Option D
Explaination / Solution:
No Explaination.
Q4.
The chemical
equation
Na2SO4(aq)
+ BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq)
represents
which of the following types of reaction?
Answer : Option C
Explaination / Solution:
No Explaination.
Q5.
Which of
the following statements are correct about a chemical equilibrium?
(i) It is
dynamic in nature
(ii) The
rate of the forward and backward reactions are equal at equilibrium
(iii)
Irreversible reactions do not attain chemical equilibrium
Answer : Option A
Explaination / Solution:
No Explaination.
Q6.
A single
displacement reaction is represented by X(s) + 2HCl(aq) →
XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag (iii) Cu (iv) Mg.
Answer : Option D
Explaination / Solution:
No Explaination.
Q7. Which of the following is not an “element + element → compound” type reaction?
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. Which of the following represents a precipitation reaction?
Answer : Option C
Explaination / Solution:
No Explaination.
Q9. The
pH of a solution is 3. Its [OH–] concentration is
Answer : Option C
Explaination / Solution:
No Explaination.
Q10. Powdered
CaCO3 reacts more rapidly than flaky CaCO3 because of
___________.
Answer : Option A
Explaination / Solution:
No Explaination.
