Coal is a fossil fuel and non-renewable energy source. Solar, wind, and hydroelectric are all renewable sources.
Ampere (A) is the SI unit of electric current. Volt is for potential difference, Ohm for resistance, and Watt for power.
Oxygen has atomic number 8. It is essential for respiration in living organisms.
The speed of light in vacuum is approximately 3 × 10^8 m/s or 299,792,458 m/s.
Rusting of iron is a chemical change as a new substance (iron oxide) is formed. Others are physical changes.
Mars is called the Red Planet due to the presence of iron oxide (rust) on its surface.
Photosynthesis is the process where plants convert sunlight, water, and CO2 into glucose and oxygen.
The SI unit of electrical resistance is Ohm (Ω), named after Georg Simon Ohm.
Water boils at 100°C (373.15 K) at standard atmospheric pressure of 1 atm.
Oxygen is essential for aerobic respiration in humans. It is used by mitochondria to produce ATP.
Subjects Asked in Government Job Exams
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