The correct answer is (b) Blue colour will spread more quickly in B. In hot water (B), the higher temperature increases the kinetic energy of water molecules, speeding up the diffusion of copper sulfate. This causes the blue color to ...
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A sphere is a perfectly round three-dimensional geometric shape where every point on its surface is equidistant from its center. Defined by its radius it has no edges or vertices. Spheres are widely used in physics and engineering and geometry ...
Cubic units measure the volume of a three-dimensional object, representing the space it occupies. A cubic unit is the volume of a cube with sides of one unit length, such as 1 cm³ or 1 m³. It is widely used ...
A function in mathematics is a relation that assigns each input from a set (domain) exactly one output from another set (codomain). It represents how one quantity depends on another. Functions are expressed algebraically graphically or through tables and are ...
Real values refer to all numbers on the number line, including rational and irrational numbers. They represent quantities that can exist in the real world, such as measurements, distances, and physical properties. Real values are used to solve equations, model ...