Which of the following is a correct nuclear equation for the production of a transuranic element?
In which of the following pairs of ionic compounds does the first one form an acidic solution and the second one a basic solution?
In which of the following is there a decrease in the oxidation state of the underlined element?
What reactants are needed to produce this ester?
Biochemical oxygen demand (BOD) is an indication of which of the following?
Which of the following is NOT a suitable method to distinguish between propene and octane?
Ethylene can be obtained by which of the following methods?
In which of the following pairs is the second substance the conjugate acid of the first substance?
In which of the following mixtures would a reaction occur?
Which of these statements is true about the atmosphere?
What is a difference between the combustion and the fermentation of glucose?
Cellulose an example of which of the following?
Atomic absorption spectroscopy (AAS) is the most suitable method to find the concentration of the named ions in which solution? A solution which contains
A student prepared a primary standard solution of benzoic acid in a volumetric flask, and used it to standardise a sodium hydroxide solution. For which pieces of equipment should distilled water be the last rinse before the start of the experiment?
A small sample of a white solid was added to nitric acid, resulting in the formation of bubbles as the solid disappeared. Another sample of the same solid changed a colourless Bunsen flame to red.