Chemistry MCQs
Topic Notes: Chemistry
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
61
The volume strength of 1.5 N H2O2 solution is_______?
Answer:
8.4
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
62
The deliquescence is a property in which a solid____________________?
Answer:
Absorbs moisture and turns to liquid form
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
63
What type of rock contains valuable metals?
Answer:
Ores
Ores are rocks that contain a high concentration of minerals, including metals, making them valuable for extraction and processing.
64
Bromine can be liberated from KBr solution by the action of _______________?
Answer:
Chlorine
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
65
What is the name for a polymer formed by combining three distinct types of monomers?
Answer:
Terpolymer
A terpolymer is a polymer made from three different monomer units. Copolymers involve two monomers, while homopolymers are made from a single type of monomer. Biopolymers are polymers derived from natural sources.
66
Solubility product of AgCl is 2.0 x 10-10 mol2 dm-6. Maximum Concentration of Ag+1 ions in the solution is__________________?
Answer:
1.414 x 10-5 mol dm-3
Manual review recommended: automated enrichment was incomplete for this item. The original answer and options were preserved. No Gemini key is configured. Add GEMINI_API_KEY to the local server environment or save a Gemini provider key in Settings.
67
What is the concentration of formaldehyde in a formalin solution?
Answer:
40%
Formalin is a solution of formaldehyde in water, and the concentration of formaldehyde in formalin is typically 40%.
68
What is the smallest particulate that an atom is?
Answer:
Indivisible
Atoms are the fundamental units of matter, and they cannot be further divided into smaller particles. They are the smallest indivisible particles that still retain the properties of an element.
69
A solution can be both states of concentration?
Answer:
dilute and concentrated
A solution can be classified into different states of concentration, such as dilute and concentrated. A dilute solution has a low concentration of solute, while a concentrated solution has a high concentration of solute. Both states exist on the same concentration scale, making it possible for a solution to be both.
70
Which sulphate is insoluble in water?
Answer:
Barium sulphate
Barium sulphate is an exception among the given sulphates as it is insoluble in water. This property makes it useful in medical imaging and other applications.