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We use column chromatography to purify an organic product. We begin with a glass column filled with a slurry of absorbent material. This could be aluminium oxide coated w...

To factorise and solve for x, open two sets of brackets, i.e: (x )(x ). For this question note than one x should be replaced by 2x such that (2x )(x ). List the pairs of numbers that give a product of 12,...

Animal CellsCell membrane - Made up of lipids and proteins and allows for passive diffusion into the cell. Cytoplasm - Contains cytosol & cell organelles. Nucleus - Controls the activities of t...

Firstly, an algebraic expression of an odd number should be identified, such as 2n+1 or 2n-1. Doing this would also indicate the knowledge that 2n is always an even number, which will be important further...

The gradient of the tangent at P (=1) will be equal to the gradient of the curve at point P (=1). The gradient at a point on a curve is given by dy/dx (the differential). First, differentiate the equation...