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Subjects
Science CBSE
Class 8
Materials: Metals and Non-metals
Textbook questions
24.
NCERT Exemplar XV
Exercise condition:
3
m.
Write brief answers to the following questions:
Match the substances in Column A with their applications given in Column B.
Column A (Substance)
Column B (Application)
(a).
oxygen
(iv). for making electric wires
(iii). all living beings inhale during breathing
(ii). for disinfecting water
(v). for making rails
(i). for making crackers
(b).
copper
(i). for making crackers
(iii). all living beings inhale during breathing
(v). for making rails
(ii). for disinfecting water
(iv). for making electric wires
(c).
sulphur
(i). for making crackers
(iii). all living beings inhale during breathing
(iv). for making electric wires
(v). for making rails
(ii). for disinfecting water
(d).
iron
(i). for making crackers
(iv). for making electric wires
(iii). all living beings inhale during breathing
(v). for making rails
(ii). for disinfecting water
(e).
chlorine
(i). for making crackers
(v). for making rails
(iii). all living beings inhale during breathing
(ii). for disinfecting water
(iv). for making electric wires
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