Questions

Match The Columns/pair.

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2 questions · timed · auto-graded

Question 15 Marks
Column AColumn B
1. Borosilicate glassa. Oxide of specific metal.
2. Alkali silicate glassb. Sand, soda, limestone, barium oxide and boron.
3. Lead glassc. Sand and soda.
4. Optical glassd. Sand, soda, limestone and lead oxide.
5. Coloured glasse. Sand, soda, boric acid and aluminium oxide.
Answer
Column AColumn B
1. Borosilicate glasse. Sand, soda, boric acid and aluminium oxide.
2. Alkali silicate glassc. Sand and soda.
3. Lead glassd. Sand, soda, limestone and lead oxide.
4. Optical glassb. Sand, soda, limestone, barium oxide and boron.
5. Coloured glassa. Oxide of specific metal.
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Question 25 Marks
Column ‘A’Column ‘B’
1. Lead glassa. Plates
2. Bakeliteb. Mattresses
3. Thermocolc. Electric bulb
4. Optic glassd. Electric switch
5. Polypropylenee. Lens
Answer
Column ‘A’Column ‘B’
1. Lead glassc. Electric bulb
2. Bakelited. Electric switch
3. Thermocola. Plates
4. Optic glasse. Lens
5. Polypropyleneb. Mattresses
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Match The Columns/pair. - Science STD 8 Questions - Vidyadip