Question

3. Radheyshyam, a lab assistant demonstrated an
activity of burning magnesium ribbon to Class X
students. Next day Rahul, a student of the same
class bought spectacles from his pocket money
and gave that to Radheyshyam.
(a) Why did Rahul gave the spectacles to the lab
assistant?
(b) Write the balanced chemical equation for the
reaction involved.
(c) How will you describe Rahul as a person?​

Answer 1

Explanation:

a) Rahul give the spectacles to the lab assistance because he is caring about her the bright light which emits due to the burning of magnesium ribbon can cause harm to our eyes for defect in the cornea of human eye hence the spectacle can reduce the intensity of The Light That is emitted from the burning of the magnesium ribbon .

b)2 Mg + O2------- 2MgO+ heat

c)Rahul is a caring and intelligent person he take cares of everybody he meets he is also scientific tempered he is always aware and take care of all the precautions that to be that to be maintained in science lab

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