ESAT (Engineering and Science Admissions Test) · Chemistry

Chemical reactions, formulae and equations

4 practice questions, each with the answer and an explanation.

Practise Chemical reactions, formulae and equations now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 4 questions

Propane burns completely: $C_{3} H_{8} + x O_{2} \to 3 CO_{2} + 4 H_{2} O$ . What is $x$ ?
Aqueous lead(II) nitrate is mixed with aqueous potassium iodide. Which is the ionic equation for the reaction that occurs?
Aluminium burns in oxygen: $Al + O_{2} \to Al_{2} O_{3}$ . When the equation is balanced with the smallest whole numbers, what is the sum of all the coefficients?
What is the formula of aluminium sulfate? (Aluminium ion $Al^{3 +}$ , sulfate ion $SO_{4}^{2 -}$ .)

Keep practising

More ESAT (Engineering and Science Admissions Test) topics

All ESAT (Engineering and Science Admissions Test) practice →

Ready for the full ESAT (Engineering and Science Admissions Test) test?

Take a mock test ESAT (Engineering and Science Admissions Test) hub

Chemical reactions, formulae and equations | GetMyMockTest