Henry science class

2Al(s) + 3CuSO₄(aq) + 6HCl(aq) → Al₂(SO₄)₃(aq) + 2AlCl₃(aq) + 3Cu(s) + 3H₂(g)

The oxidation of ethanol in concentrated sulphuric acid and potassium permanganate generates sufficient heat to produce a transient incandescence or spark-like phenomenon in the test tube.

Newton's law of universal gravitation
Waec past question

Experiment to prepare sugar charcoal (an amorphous carbon) from the dehydration of sucrose

Machines and their efficiencies

Calculating the efficiency of a wheel and axle

Velocity ratio of a screw jack

Test for lead ions ,weac practical (qualitative analysis)