Question 1:   This question is about the metal aluminium. ai Draw a labelled diagram to represent the structure and bonding in a metal. (2)    aii Explain why a metal is malleable. (2)     b Aluminium is used to make cans for drinks. Give two properties of aluminium that make it suitable for this use. (2)     c Aluminium is extracted from aluminium oxide (Al2O3) by electrolysis. The electrolyte is aluminium oxide dissolved in molten cryolite.   ci State why aluminium cannot be extracted by heating aluminium oxide with carbon. (1)   cii Aluminium is produced at the negative electrode. The ionic half-equation for the reaction is Al3+  +  3e−  →  Al State why this is a reduction reaction. (1)   ciii  Complete the ionic half-equation for the reaction at the positive electrode. ………….. O2− → ………….. + …………… (2)   [10]

The members of the agency board hear appeals from the decisions of administrative law judges. 

The 14th Amendment restricts actions by state and local governments. 

Which two clauses are contained in the first amendment? (Choose 2)

The ________________ test is used if the classification involves either a suspect class or a fundamental constitutional right. 

To establish standing of an agency decision, the challenging party must establish the following: 

2.1 Identify the MAMMALIAN tissues A, B and C correctly. (3)

1.3 Indicate whether each of the statements in COLUMN I applies to A ONLY, B ONLY, BOTH A and B or NONE of the items in COLUMN II. Choose A, B, BOTH A and B or NONE from the dropdown list.   2X2 (4)

3.2 The extract above uses the term “apoptosis”.  Explain what you understand by this term. (2)

2.4 Identify the parts of the tissues labelled X, Y and Z. (3)