Gujarat BoardEnglish MediumSTD 8ScienceMaterials : Metals and Non-Metals4 Marks
Question
State five uses of each, metals and non$-$metals.
✓
Answer
Uses of metals are:
$i.$ Metals are used in making machinery and automobiles.
$ii.$ Metals are used in making aeroplanes and trains.
$iii.$ Metals are used in making satellites.
$iv.$ Metals are used in making industrial gadgets.
$v.$ Metals are used in making cooking utensils and water boilers. Uses of non$-$metals are:
$i.$ Non metals are used in fertilisers to enhance the growth of plants.
$ii.$ Non metals used as a food preservative.
$iii.$ Non metals used in respiration.
$iv.$ Non metals used in firecrackers.
$v.$ Non metals used in water purification process.
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