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Name a non-reducing sugar and outline a test which can identify its presence. (6)

Sucrose (1)Rule out reducing sugars - heat in a water bath. Add Benedict's solution. Should remain blue. (1)Add dilute HCl to a new sample and heat in a water bath (1)Neutralise with NaHCO3 (1)Add Benedic...

Answered by Annie R. • Biology tutor

3017 Views

How to differentiate y=2x(x-2)^5 to find dy/dx?

Firstly, you should formulate the problem by using the product rule, which is: dy/dx = u'v + v'uBy assigning u=2x and v=(x-2)

Answered by Anup P. • Maths tutor

5103 Views

How should I approach the first question on AQA’s Paper 1?

This question can be a demanding one as it requires both close reading and broader textual analysis, so it is key that you feel adequately prepared. To start with the most obvious it is important to have ...

Answered by Bethan E. • English Literature tutor

4757 Views

Explain how the media can create a sense of place. (6)

This answer should focus on the concept that exposure to different mediums depicting a place can create imagined familiarity within it. Case study use is appropriate but only one or two examples, perhaps ...

Answered by Bronte M. • Geography tutor

2143 Views

Describe and Explain Two Sociological Explanations to Class differences in Educational Achievement

The main two arguments to this question are cultural deprivation and material deprivation. Material deprivation is lacking material necessities required to complete an achievement, in this case, education...

Answered by Stephen S. • Sociology tutor

3704 Views