Wheels & Deals Corporation is subject to the Truth-in-Lending Act, which concerns

QUESTION 7 7.1 Give the definition of a chemical reaction? (2)

8.3 The chemical formula for water is H2O. What will the ratio be for H to O? (1)

1.5 A substance made of only one type of atom. (1)

2.5 A compound is a substance that consists of two or more different elements that were chemically combined. (1)

SECTION B   QUESTION 4     Choose from the following list of substances (The same substance may be used more than once in your answers): H2      CO2      H2O    Zn     Cl2       Fe   NaCl   4.1 Three compounds (3)

1.3 A sub atomic particle with almost no mass. (1)

QUESTION 6 The following sketches are given: Answer the following questions by writing down only the letter(s) of the diagram that applies.  Right click on the blue button, to open the diagram in a new tab.   6.1 Which diagrams represent a diatomic element? (2)

1.4 The tiny particles of which matter is made up. (1)

Identify the starting reagents needed to make the following compound by a mixed aldol condensation.