Question

This Activity needs
the teacher’s assistance. It
would be better if students
wear suitable eyeglasses.
n Clean a magnesium ribbon
about 3-4 cm long by rubbing
it with sandpaper.
n Hold it with a pair of tongs.
Burn it using a spirit lamp or
burner and collect the ash so
formed in a watch-glass as
shown in Fig. 1.1. Burn the
magnesium ribbon keeping it
away as far as possible from
your eyes.
n What do you observe?

WRITE THE:- a) Aim of the activity b) Materials required
c) Procedure d) Observation & result.

Answer 1

Explanation:

a) aim to find out reaction caused by burning mg ribbon

b)material mg ribbon

sand paper

watch glass

spirit lamp

pair of tongs

c)procedure clean magnesium ribbon by rubbing it with Sandpaper hold it with a pair of tongs Burn It using spirit lampand collect ash formed in watch glass

d)obesrvation and result magnesium ribbon burns with dazzling white flame and changes into white powder this powder is called magnesium oxide it is formed due to reaction between magnesium and oxygen present in air .