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
41
Which of the following causes dry skin when taken in excess amount?
Answer:
vitamin A
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42
Which of the following causes hard deposits in kidneys and joints when taken in excess amount?
Answer:
vitamin D
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43
What is the extension of the exosphere above the surface of Earth?
Answer:
400 km to thousands of kilometer
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44
What is the result of breaking down an oligosaccharide with acid?
Answer:
2-9 monosaccharide units
Acid hydrolysis breaks the glycosidic bonds linking monosaccharides in an oligosaccharide. This process typically yields 2 to 9 individual monosaccharide units.
45
The suffix in alkane represents
Answer:
class of compound
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46
Maltose is found in
Answer:
cereals
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47
Cholesterol comes from
Answer:
animal products
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48
The temperature of the thermosphere is up to
Answer:
1800 °C
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49
Methanal is an example of
Answer:
aldehydes
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50
The atmosphere consists of
Answer:
gases and water vapors
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