1.12 An aqueous solution of copper (II) sulphate was made by adding excess copper (II) oxide to dilute sulphuric acid. The mixture was heated, stirred, and then filtered.   Right-click on the button to open the data booklet in a new tab.        What was the pH of the acid before adding the copper (II) oxide and of the solution after filtration?     pH of acid before adding copper (II) oxide pH of solution after filtration A greater than 7 7 B greater than 7 less than 7 C less than 7 7 D less than 7 greater than 7

1.2 Which method will be most suitable for the separation of sand and oil?

The DASH diet plan was devised to prevent  

The feeling of satisfaction resulting from consumption of a meal is termed  

Research has shown that the risk for neural tube defects is lowered by taking supplements of  

Keratinization is the result of  

When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?  

In what chief capacity does vitamin K function?  

What is meant by the bioavailability of a vitamin in food?  

Physical and mental performance is not affected by hydration status.