Question

2. From what materials are the following made up
(a) Test tube rack (b) Test tube holder
(c) Measuring cylinder (d) Wire gauze
(e) Mortar and pestle​

Answer 1

Answer:

a Test tube rack is made up of wood or plastic. b Test tube holder is made up of a iron clamp at front and wood or plastic handle at other end. c Measuring cylinder is made of glass. d Wire gauze is made of meshed iron wire and a thin asbestos sheet that is fixed at its centre. e Morter and pestle is made of porcelain.

Explanation:

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Ok bye

Answer 2

Answer:

(a) epoxy coated steel wire or polystyrene

(b) wood and metal

(c) polypropylene or polymethyl pentene

(d) woven from metal such as iron, steel, copper or nichrome

(e) both of them is made of stone, ceramic or wood