Search our library of GCSE questions

Top answers

All subjects

GCSE

Sodium Hydroxide can react with sulfuric acid in an acid base reaction. Outline the equation for this reaction, name the product. Finally a titration reaction is conducted. Determine the mass of NaOH needed to neutralise 12.4cm^3 of 0.10moldm^-3 H2SO4.

The equation is outlined below: 2NaOH + H₂SO₄------->> Na₂SO₄+ 2H₂OAs explained in the question this is an acid base reaction, where the ...

Answered by Thomas M. • Chemistry tutor

45091 Views

Explain the difference between energy and power.

Power is the rate at which energy is transferred. For example, a typical kettle may use 1.2 kiloWatts (kW) for about 2 minutes to boil water. This means that the kettle uses 1200 Joules of energy per seco...

Answered by Henry J. • Physics tutor

4137 Views

Explain the factors involved in choosing the venue to an event, with reference to a specific case study

Typically this question would show up as an essay question in an exam. To start (introduction), the case study of choice must be highlighted, with a brief insight into who is responsible ...

Answered by Maya M. • Geography tutor

2165 Views

What does it mean for a piece of music to have major harmony, minor harmony?

Harmony is based on scales which are constructed according to a certain set of intervals which create a specific sound thereby. For a piece of music to have major harmony, it must be based on a major scal...

Answered by Lowri C. • Music tutor

6079 Views

How can I improve my answer to "Explain what was important about the rebellion of the Earl of Essex for Elizabethan England?" (GCSE History question from the AQA specimen paper)

First we need to work out what the question is actually asking - they're looking for you to assess what was IMPORTANT about this rebellion in particular. That suggests that we need to think about some pot...

Answered by Miranda G. • History tutor

8084 Views