Multi-word fill quiz Q4 on "Elements, compounds and separating mixtures" © Doc Brown's KS3 chemistry

Select answer from drop-down menu for any gap. When completed click on CHECK
   10      30      44      61      80      90   
solubilityKS3.gif
1. At 40oC, g of potassium nitrate (KNO3) dissolves in 100g of water (H2O).
2. At oC , 20g of potassium sulphate (K2SO4)
3. At 65oC, g of copper sulphate (CuSO4) will dissolve in 100g of water.
4. At oC, 22g of copper sulphate (CuSO4) will dissolve in 100g of water.
5. How much potassium nitrate (KNO3) will disssolve in 200g of water at 30oC? answer: g
6. How much copper sulphate (CuSO4) will dissolve in 50g of water at 20oC? answer: g