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Tutor HuntTest QuestionsChemistry QuestionsYear 10 Chemistry Questions

 

Chemical Measurements (GCSE Chemistry)

The following is a GCSE Chemistry test covering 'Chemical Measurements' from the broader topic Quantitative Chemistry. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

What volume (in dm3) of any gas at room temperature and pressure is produced by 0.500 mol of the gas? (Use 1 mol = 24 dm3)
A solution of NaCl has concentration 0.602 mol/dm3. What mass (g) of NaCl is present in 0.500 dm3? (Mr NaCl = 58.5)
What percentage by mass of nitrogen is in ammonium nitrate, NH4NO3? (Ar: N = 14.0, H = 1.0, O = 16.0)
If a solution has concentration 35.2 g/dm3 and you take 25.0 cm3 of it, how many grams of solute are in that 25.0 cm3?
A dye has Rf = distance dye / distance solvent. If distance dye = 4.8 cm and solvent = 12.0 cm, what is the Rf?
How many C70 molecules can be made from one mole of carbon atoms? (Avogadro’s constant = 6.02 × 10^23)
Which calculation gives the number of moles of gas in 24.0 dm3 at RTP?
What is the number of moles in 25.0 cm3 of a 0.100 mol/dm3 solution?
A sample contains 5.80 g of iron (Ar = 58.0). How many moles of iron are present?
What minimum mass of magnesium (Mg, Ar = 24.0) is needed to reduce completely 1.20 kg of silicon dioxide (SiO2) using 2 Mg + SiO2 ? Si + 2 MgO?
A dye had Rf = 0.48 and the dye moved 5.4 cm from the start line. How far did the solvent front move?