What is the pH of a solution with [H3O+] = 1 x 10-9 M?

8.5 What is the processes involved in making gold jewellery from the mining for gold until selling the jewellery. 1. Mining for gold 2. [Ans1] 3. [Ans2] 4. [Ans3] 5. [Ans4] 6. [Ans5] 7. [Ans6] 8. Selling the jewellery (6)

3.1 Explain why a large-scale map has a smaller number. E.g. 1: 15 (2)

5.1.5 Imbongi ithi uthando lumenzani? Bhala OKUBILI. (4)

IMIYALELO 1. Umsebenzi owubhala la makube owakho. Awuvunyelwe ukusebenzisa umsebenzi womunye umuntu. 2. Iphepha lineziqephu ezintathu: Isiqephu A:  Isifundo sokuqondisisa (30)  Isiqephu B:  Ukufingqa (10) Isiqephu C:  Izakhiwo zolimi (40) 3. Phendula yonke imibuzo. 4. Bhala ngesiZulu. 5. Isikhathi usihlukanise ngalendlela: imizuzu engu-50 kwiseqephu A imizuzu engu-20 kwiseqephu B imizuzu engu-50 kwiseqephu C

1.1 AFDELING A: DISKURSIEWE OPSTEL Skryf ‘n Diskursiewe Opstel wat bewyse gee van analise, interpretasie, verduideliking en argumenteer op die volgende: Tema: Die Franse Rewolusie “Tot watter mate was Koning Louis XVI van Frankryk verantwoordelik vir sy eie ondergang.” Bespreek die geldigheid van bogenoemde stelling (Maak baie seker van die struktuur en formaat van  jou diskursiewe opstel) (70)

2.1 Name the continent that the 20° South line runs through. (1)

Given below is a drawing of aspirin.  Identify the following functional groups by position in the drawing:  top, left, right aromatic ring [ring] ester [ester] carboxylic acid [acid]

Specific Absorption Rate (SAR) refers to

3.6 Bhala igama elimqondofana naleli elithi ‘iringi’ noma ucingo.  (1)