SQA Higher Chemistry Researching Chemistry skills quiz quiz
16questions. Pick an answer and you'll see why right away.
Which piece of apparatus delivers a single accurate fixed volume?
Which piece of apparatus delivers an accurate variable volume in a titration?
What is gravimetric analysis?
What does 'heating to constant mass' mean?
In a precipitation gravimetric analysis, the mass of precipitate is used to find
What is accuracy?
What is precision?
A hazard is best described as
Which apparatus is used to make a standard solution up to an accurate fixed volume?
Why are only concordant titres averaged in volumetric analysis?
A 4.99 g sample of hydrated copper(II) sulfate leaves 3.19 g of anhydrous CuSO4 (GFM 159.6) after heating to constant mass. How much water was lost?
For the sample above, the moles of water are 0.100 mol and the moles of CuSO4 are 0.0200 mol. What is the value of x in CuSO4 . xH2O?
A set of titres is very close together but consistently 0.5 cm cubed too high because of an uncalibrated burette. The results are
Which apparatus should be used to measure an approximate volume of water?
How much is the Higher Chemistry assignment worth?
Which of these is a valid hazard and control measure pair for a corrosive acid?