Being bad conductor of electricity, glass is used as insulator in electric appliances.
55 questions across 12 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
Write the following Statement Is True Or False. & Write True Statement.
5 Q→02Answer the following in one sentece.
10 Q→03Answer the following questions in detail.
4 Q→04Fill In The Blanks.
4 Q→05Answer the following question.
5 Q→06Match The Columns/pair.
2 Q→07Answer the following question.
6 Q→08Write The Short Note.
5 Q→09Find the odd one out.
4 Q→10Complete The Correlation.
5 Q→11Distinguish Between.
3 Q→12Give Scientific Reason.
2 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
| Name of item | Material used | |
| Manmade | Natural | |
| Wooden chair | Wood | |
| Comb | Plastic | |
| Column A | Column B |
| 1. Borosilicate glass | a. Oxide of specific metal. |
| 2. Alkali silicate glass | b. Sand, soda, limestone, barium oxide and boron. |
| 3. Lead glass | c. Sand and soda. |
| 4. Optical glass | d. Sand, soda, limestone and lead oxide. |
| 5. Coloured glass | e. Sand, soda, boric acid and aluminium oxide. |
| Column ‘A’ | Column ‘B’ |
| 1. Lead glass | a. Plates |
| 2. Bakelite | b. Mattresses |
| 3. Thermocol | c. Electric bulb |
| 4. Optic glass | d. Electric switch |
| 5. Polypropylene | e. Lens |
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