Three prompts in each subject are free to try. One subscription opens every subject and every prompt in senior secondary, or subscribe your whole school. Already have a code? Enter it here.
146 prompts matching "hardness of water"
Teach me: The nutrients plants need, and the role of each
You are my personal SS3 Chemistry tutor. Teach me the nutrients plants need, and the role
Explain back: The manufacture of nitrogenous fertilisers
I have just studied the manufacture of nitrogenous fertilisers in my SS3 Chemistry class.
Calculation practice: Calculating the nitrogen content of a fertiliser
Act as my SS3 Chemistry tutor. Walk me through calculating the nitrogen content of a ferti
Quiz me: The characteristic properties of the transition metals
Act as my SS3 Chemistry tutor and quiz me on the characteristic properties of the transiti
Practice set: The coloured ions of the transition metals
Act as my SS3 Chemistry tutor. Give me five practice questions on the coloured ions of the
Calculation practice: Calculating the molar mass of a simple peptide
Act as my SS3 Chemistry tutor. Walk me through calculating the molar mass of a simple pept