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Titrations are used to make soluble salts (remember solubility rules) from an acid and an alkali. There are no solids involved in this reaction and the solutions made are colourless so there is no way of ...

One feature is its compact shape. Starch molecules consists of two components: Amylose and Amylopectin. Amylose is the straight chained part and amylopectin is the branch chained part. Both these st...

You should close read each quotation, picking each one apart to show your ability for deep analysis. Do not just slot in as many quotations as you can to show you how well you have memorised them, but ins...

we must integrate (4cos⁴ x-4cos² x+1)^1/2 factorise first ((2cos²x-1)²)^1/2this becomes (2cos²x-1)which equals cos 2xthe integral...

To approach a problem like this, we must first break down our number into a multiplication of prime factors (i.e. we can make our number by multiplying numbers 2,3,5,7 etc together). This is best done wit...