Ecz Science grade 12 2016 paper 1
1 Which of the following quantities changes when A Mass of the body.
B Weight of the body.
C Velocity of the body.
D The force acting on the body.
2 Of the techniques below, which one can be used to separate cellular blood from blood plasma?
A Centrifuge
B Chromatography
C Distillation
D Filtration
3 Element X has an electronic configuration 2, 8, 8, 1 while that of Y is 2, 8,6.
Which one of the following is true about the compound formed between X and Y? A Covalent compound of formula X2Y.
B Covalent compound of formula XY2.
C Ionic compound of formula XY2.
D Ionic compound of formula X2Y,
