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Question 3

Learners investigate factors that influence the boiling points of organic compounds.The boiling points of some organic compounds obtained are shown in the table below. 3.1 Define the term boiling point. (2) 3.2 The boiling points of compounds A, B and C are compared.3.2.1 How do the boiling points vary from compound A to compound C?Choose … Read more

Question 3

The melting points and boiling points of four straight-chain ALKANES are shown in the table below. 3.1 Define the term melting point. (2) 3.2 Write down the general conclusion that can be made about the melting points of straight-chain alkanes. (2) 3.3 Name the type of Van der Waals forces between molecules of octane. (1) … Read more

Question 3

Learners use compounds A, B and C to investigate one of the factors that influencesthe VAPOUR PRESSURE of organic compounds. 3.1 Define the term vapour pressure. (2) 3.2 Write down the independent variable for this investigation. (1) 3.3 Which compound, A or B, has the higher vapour pressure? (1) 3.4 Fully explain the answer to … Read more

Question 3

SECTION C: LANGUAGE STRUCTURES AND CONVENTIONS QUESTION 3: ANALYSING ADVERTISING Study the advertisement (TEXT D) below and answer the set questions. TEXT D The text in small font reads as follows: QUESTIONS: TEXT D 3.1 Account for the use of the phrase, ‘SAVE THE SANDWICH’ in the headline. (2) 3.2 ‘Because many species are being … Read more

Question 3

SECTION C: LANGUAGE QUESTION 3: ANALYSING AN ADVERTISEMENT 3.1 Who is the target audience in this advertisement? (1) 3.2 Give a single word which means the same as ‘each year’. (1) 3.3 How does the advertiser show that mosquitoes are dangerous? State TWOpoints. (2) 3.4 Quote THREE consecutive words from the text which indicate that … Read more

Question 3

SECTION C: LANGUAGE 3.1 Who is the target audience in this advertisement? (1) 3.2 Why is the word, ‘Big’, written in larger font in the headline? (1) 3.3 Quote FOUR consecutive words from the text which suggest that BOSTONCollege is willing to assist students in pursuing their career paths. (1) 3.4 Why does the advertiser … Read more