1.1 According to the Arrhenius theory, all bases … A) are proton donors. B) are proton acceptors. C) form H3O+ ions in solution. D) form OH‾ ions in solution. (2) 1.2 The number of neutrons in an atom of N157 is … A) 5 B) 7 C) 8 D) 15 (2) 1.3 Which ONE of the following has the strongest forces between its … Read more
MULTIPLE-CHOICE QUESTIONS Four options are provided as possible answers to the following questions.Each question has only ONE correct answer. Choose the answer and write onlythe letter (A–D) next to the question number (1.1–1.10) in the ANSWER BOOK,for example 1.11 E. 1.1 The type of bond formed between a H+ ion and H2O is called a/an … Read more
Four options are provided as possible answers to the following questions. Each question has only ONE correct answer. Choose the answer and write only the letter (A–D) next to the question number (1.1–1.10) in the ANSWER BOOK, for example 1.11 E. 1.1 Four forces act on a point, as indicated in the diagram. The magnitudes … Read more
Various options are provided as possible answers to the following questions. Eachquestion has only ONE correct answer. Choose the answer and write only theletter (A–D) next to the question number (1.1–1.10) in the ANSWER BOOK, forexample 1.11 E. 1.1 Which ONE of the bonds between the atoms below has the highest polarity? A H – … Read more
1.1 Mr Brown conducted a survey on the amount of airtime (in rands) EACH students had on his or her cellphone . He summarized the data in the box and whisker diagram below. 1.1.1 Write down the five -number summary of the data. (2) 1.1.2 Determine the interquartile range. (2) 1.1.3 Comment on the skewness … Read more
1.1 If they wash both cars and microbuses from Monday to Friday, calculate theprobability that they will wash a car. (3) 1.2 Sipho claims that if they wash both cars and microbuses from Monday to Sunday,they will be able to receive more than R4 000. With calculations, show whether hisclaim is valid or not. (10) … Read more
Various options are provided as possible answers to the following questions. Each question has only ONE correct answer. Choose the answer and write only the letter (A–D) next to the question number (1.1–1.10) in the ANSWER BOOK, for example 1.11 E. 1.1 Which ONE of the following pairs of physical quantities is vector quantities? A) Force … Read more
1.1 Anita runs a business and she wants to buy the cellphone for her personal use. She visited two cellphone companies to compare the prices of the same phone. The findings are listed in the tables below as follows: 1.1.1 Calculate the total cost of this cellphone from Company A for the duration of contract … Read more
1.1 Sandra paid cash for the service of her car at Bennie’s Service station. Study the information in the ANNEXURE to answer the questions that follow: 1.1.1 Name the Franchise Dealer that serviced Sandra’s car. (2) 1.1.2 Calculate the value of A, the amount charged for the labour. (2) 1.1.3 Show, with calculations, that the … Read more
The following table represents the heights, in centimetres, of 120 boys in a school. 1.1 Complete the cumulative frequency table in the SPECIAL ANSWER BOOK. (2) 1.2 Draw an ogive, using the diagram in the SPECIAL ANSWER BOOK, to representthe information in the table. (4) 1.3 Determine, using the ogive, the five number summary. (5) … Read more