A student obtained the data in the table below when conducting an investigation on the sulfate content of a particular fertiliser.
The reaction that is likely to occur would be:
Which isotope is radioactive?
Which of the following would be the best catalyst for the dehydration of ethanol?
A solid sample was known to contain two calcium salts. In order to determine the anions present, some tests were done on the solid, producing the following results.
What mass of ethanol is obtained when 5.68 g of carbon dioxide is produced during fermentation at 25°C and 100 kPa?
What is the correct method of preparing a 250 mL volumetric flask prior to using it to make up a primary standard?
Which of the following reactions may be described as a neutralisation reaction?
A resident discovered and reported on a number of dead fish floating in their local creek. A team of chemists, including an analytical chemist, an organic chemist, and a biochemist, was established to investigate the fish death. What does this example best illustrate?
Consider the following reaction.
What is the catalyst used in the formation of ammonia?
Which of the following concentrations is consistent with a basic solution?
A 25.0 mL creek water sample was diluted to 250.0 mL in an appropriate volumetric flask. The diluted sample was found to contain 0.0681 g of Na
Which of the following sets of chemical species could have their concentration measured using atomic absorption spectroscopy?
Where on the Periodic Table would you most likely find elements which form basic oxides?