Advertisements
Advertisements
Question
Match the objects given in Column I with the materials given in Column II.
| COLUMN I | COLUMN II | ||
| (a) | Surgical instruments |
(i) | Plastic |
| (b) | Newspaper | (ii) | Animal product |
| (c) | Electrical switches | (iii) | Steel |
| (d) | Wool | (iv) | Plant product |
Solution
| COLUMN I | ANSWERS | ||
| (a) | Surgical instruments |
(iii) | Steel |
| (b) | Newspaper | (iv) | Plant product |
| (c) | Electrical switches | (i) | Plastic |
| (d) | Wool | (ii) | Animal product |
APPEARS IN
RELATED QUESTIONS
Very Short Answer Type Question:
List three liquids which are transparent.
Short Answer Type Question:
Mention some materials which are made up of paper.
Short Answer Type Question:
What is the basis for sorting materials?
Materials which can be bent or stretched easily are called ______.
Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
Test the flexibility.
Give one plastic scale and a wooden scale to the students. Ask them to bend. Tabulate their observation (bends, does not bend).
| Plastic Scale | Wooden Scale |
| ______ | ______ |
Name five objects which can be made from wood.
Some of the following statements are incorrect. Find the incorrect statements and correct them.
- The property of metals by virtue of which they can be drawn into wires is called ductility.
- Metals are good conductors of electricity but poor conductor of heat.
- Articles made up of metals produce ringing sound when struck hard.
- Oxides of non-metals and metals are acidic in nature.
- A less reactive metal displaces a more reactive metal from its salt solution in water.
Pick one material from the following which is completely soluble in water.
Sugar, salt, mustard oil, sand, sawdust, honey, chalk powder, petals of flower, soil, copper sulphate crystals, glucose, wheat flour are some substances given to Paheli. She wants to know whether these substances are soluble in water or not. Help her in identifying soluble and insoluble substances in water.
