Select the appropriate state symbols of the products given as X and Y in the following chemical equation by choosing the correct option from table given below:
Zn(s) + H2SO4(l) → ZnSO4(X) + H2(Y)
Chemical Reactions and Equations

Quiz
•
Science
•
10th Grade
•
Hard
Apni Pathshala
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
a. X is (s) and Y is (l)
b. X is (aq) and Y is (g)
c. X is (aq) and Y is (s)
d. X is (g) and Y is (aq)
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Consider the following chemical equation I and II
I. Mg + 2HCl → MgCl2 + H2
II. NaOH + HCl → NaCl + H2O
The correct statement about these equations is :
a. ‘I’ is a displacement reaction and ‘II’ is a decomposition reaction.
b. ‘I’ is a displacement reaction and ‘II’ is double displacement reaction.
c. Both ‘I’ and ‘II’ are dispalcement reactions.
d. Both ‘I’ and ‘II’ are double displacement.
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
To balance the following chemical equation to the values of x and y should respectively be :
2NaOH + xAl2O3 → yNaAlO2 + H2O
a. 1, 4
b. 1, 2
c. 2, 4
d. 2, 3
4.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Identify the product which represents the soild state in the above reaction:
Barium Chloride
Barium Sulphate
Sodium Chloride
Sodium Sulphate
5.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Strong heating of ferrous sulphate leads to the formation of a brown solid and two gases. This reaction can be categorised as:-
a. displacement and redox
b. decomposition and redox
c. displacement and endothermic
d. decomposition and exothermic
6.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Assertion (A): Silver bromide decomposition is used in black and white photography.
Reason (R): Light provides energy for this exothermic reaction.
Both A and R are true and R is the correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true but R is false
A is false but R is ture
7.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Assertion (A): Burning of natural gases is an endothermic process
Reason (R): Methane gas combines with oxygen to produce carbon dioxide and water
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true but R is false
A is false and R is true
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