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
1
Colour of fluorescene produced by cathode rays depends upon________________?
Answer:
Composition of glass
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2
Industrial materials and thermal power stations are coated with______________________?
Answer:
Epoxy paints
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3
Positive rays are produced__________________?
Answer:
By the bombardment of cathode rays on gas molecules
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4
Which one is not true about cathode rays ?
Answer:
Cannot ionize
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5
Which type of radiation travels at the fastest speed?
Answer:
Gamma radiation
Gamma rays are electromagnetic waves and, like all electromagnetic radiation, travel at the speed of light, which is the fastest speed possible in a vacuum. Alpha and beta particles are subatomic particles and are significantly slower.
6
Nitrates of which pair gives different products on thermal decomposition___________________?
Answer:
Li Na
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