0620/11/M/J/19/ no links please How could crystals of a pure salt be prepared from dilute
sulfuric acid?
A add an excess of aqueous sodium hydroxide, filter, evaporate
the filtrate to crystallisation point
B add an excess of copper (II) carbonate, filter, evaporate the
insoluble
filtrate to dryness
Copper sulfate.
C add an excess of copper metal, filter, evaporate the filtrate to
crystallisation point
Soluble
D add an excess of zinc oxide, filter, evaporate the filtrate to
crystallisation point
insoluble​

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Table sugar completely dissolved in water is an example of a?