Question

do not generally take Present Co
used in Present Perfect Continuo
I have been seeing the bird.
(b) To indicate Point of time 'Since
of time for is used. Note the ex
Exerci
1
Put in the correct Present Tense
or Perfect Continuous) of the g
He (go) to school
Example
He goes to school
(a) He (do) his work well. ज(b)
(make) a cup of tea. (d) We now
(play) in the morning. (f) The bo
(live) here since 1988. (h) He (na​

Answer 1

Answer:

Magnesium ribbon burns with dazzling white light, once treated to its ignition temperature. The white powder formed is Magnesium oxide which dissolves in water to give a basic solution which turns red litmus blue. Thus 'x' is Mg and 'y' is MgO.