Popular Questions InAcids, Bases, and Salts: CBSE Class 10 Chemistry
1
A solution turns phenolphthalein pink. When a few drops of methyl orange are added to the same solution, what would be the most likely observed color change?
2
Identify the salt among the following that will produce an acidic solution when dissolved in water:
3
When a dilute acid reacts with a metal carbonate, a gas is evolved. Which of the following statements about this gas is incorrect?
4
Consider two solutions: Solution X is 0.1 M HCl, and Solution Y is 0.1 M CH₃COOH. Which statement accurately compares their properties?
5
The pH of human blood is maintained within a narrow range by buffer systems. Which of the following pH values represents a normal, healthy blood pH?
6
Identify the incorrect statement regarding common chemical compounds:
7
When hydrated copper sulfate (CuSO₄·5H₂O) is heated, it changes color from blue to white. Which statement best explains this phenomenon?
8
Acid rain is primarily caused by the atmospheric dissolution of certain gases. Which of the following pairs of gases are the main contributors to acid rain?
9
Antacids are commonly used to treat indigestion. Their primary function is based on which chemical principle?
10
An oxide that reacts with both acids and bases to produce salt and water is known as an:
