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General Science Flashcards

7 cards from real SSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which planet in our solar system has the most moons?

    Answer: Saturn

    Saturn has the most confirmed moons in the solar system, surpassing Jupiter in recent years with over 140 known moons as of 2023.

  2. The force of attraction between two masses is described by:

    Answer: Newton's Law of Gravitation

    Newton's Law of Gravitation states that every two masses attract each other with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.

  3. Which gas makes up the largest percentage of Earth's atmosphere?

    Answer: Nitrogen

    Nitrogen makes up approximately 78% of Earth's atmosphere, making it the most abundant gas by far.

  4. The process of conversion of a liquid to a gas at a temperature below its boiling point is called:

    Answer: Evaporation

    Evaporation is the process by which molecules at the surface of a liquid escape into the gas phase at temperatures below the boiling point.

  5. Which part of the cell is called the 'powerhouse of the cell'?

    Answer: Mitochondria

    Mitochondria are called the powerhouse of the cell because they produce ATP (adenosine triphosphate) through cellular respiration, supplying energy for cellular activities.

  6. What is the chemical formula for table salt (common salt)?

    Answer: NaCl

    Table salt is sodium chloride (NaCl), formed by the ionic bond between sodium (Na) and chlorine (Cl) atoms.

  7. The phenomenon of bending of light as it passes from one medium to another is called:

    Answer: Refraction

    Refraction is the bending of a light wave when it passes from one medium to another due to a change in its speed.