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Chemistry in Every Day Life

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Chemistry

Nature and Composition of Substances
Atomic Structure
Radioactivity
Periodic classification of element
Chemistry in Every Day Life
Biomolecules
Hydrocarbons and Its Derivatives
Non Metals and Their Compounds
Metals and Their Compounds
Surface Chemistry
Electrolytes & Electrochemistry
Solutions
Thermodynamics and Energetics
Catalysis
Properties of Gases
Acids, Bases and Salt
Oxidation and Reduction
Chemical Bonding
Chemistry miscellaneous
  1. Which of the following laser types is used in a laser printer?
    1. Dye laser
    2. Semiconductor laser
    3. Excimer laser
    4. Gas laser
Correct Option: D

Gas laser is used in a laser printer.


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