2. Sanitary deaners and some acids which are used as bathroom deaners are sold in plastic bottles
3. Which of these plastics can be repeatedly heated and moulded into any desired shape
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2. What toxic chemicals do you purchase for a particular cleaning job? The answer is not an easy one unless you know what ingredients commercial products contain. The most common ingredients in household cleaning products include alkalies, acids, detergents, abrasives, sanitizers, and spirit solvents.
3.A. polythene because bakelite once heated cannot be remoulded , the switches are made up of bakelite and melamine is substance used to design the dresses of fire person.
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