Chemistry
Aman performed the following four experiments
The experiments in which the blue colour of the solution will fade are :
P and Q
P, Q and R
Q and R
Q, R and S
Related Questions
FeS + H2SO4 ⟶ FeSO4 + H2S is an example of:
- Displacement reaction
- Double decomposition reaction
- Decomposition reaction
- Combination reaction
Which of the following statements is/are correct with respect to the figure shown alongside?
P — A is HCl, B is iron.
Q — A is Cl2, B is copper.
R — A is Cl2, B is iron.
Only P
Only Q
Only R
Both P and R
What happens when a solution of an acid is mixed with a solution of a base in a test tube?
P — The temperature of the solution increases.
Q — The temperature of the solution decreases.
R — The temperature of the solution remains the same.
S — Salt formation takes place.
Only P
P and R
Q and R
P and S