2.
Give reasons for the following:
(a) Cooking utensils are made of metals.
(b) Pressure cooker is provided with bakelite handle.
(C) Chimneys are fitted in factories.
(d) Rooms are provided with ventilators and exhaust fans.
(e) The containers of solar cooker are painted black.
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4
Answer:
All these things are done to prevent corrossion in metals and damaging of materials.
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2
Answer:
please mark as brainlist
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