Govt. Exams
Entrance Exams
Newton's Third Law states that for every action, there is an equal and opposite reaction.
Sulfuric acid is H₂SO₄, one of the most important industrial chemicals with numerous applications.
O- blood type is the universal donor as it lacks A, B, and Rh antigens on red blood cells.
Sublimation is the process where a solid directly converts to a gas. Dry ice (solid CO₂) is a common example.
Vitamin D helps in the absorption of calcium from the intestines, essential for bone health and development.
The speed of light in vacuum is approximately 3 × 10⁸ m/s or 299,792,458 m/s to be precise.
Mercury is the only metal that remains liquid at room temperature (25°C). Its melting point is -38.8°C.
Photosynthesis is the process where plants convert sunlight, water, and carbon dioxide into glucose and oxygen.
Distance is a scalar quantity as it has only magnitude. Velocity, acceleration, and displacement are vectors as they have both magnitude and direction.
Evaporation is the process where liquid water turns into water vapor/gas. This occurs at any temperature on the water's surface.
