1. ___________ is the S.I unit for amount of substance.
2 In filtration, the term ‘filtrate’ refers to _____________.
the solid that remains on the filter paper
the liquid that drains through the filter paper.
the type of filter paper used.
the mixture before separation
3 If 30 g of a substance occupies a volume of 25 cm3, calculate its density on S.I units.
4 Magnetic attraction can be used to separate objects made of _____________.
5 In fractional distillation, a mixture of liquids is separated based on their ___________.
6 Magnetic attraction can be used to separate objects made of ____________.
Mole the liquid that drains through the filter paper 0.0012 kg/m3 copper boiling points copper