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प्रश्न
Sugar does not dissolve in water.
विकल्प
True
False
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उत्तर
This statement is False.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Select a lustrous material out of the following substances.
Gold and diamond are the examples of _________ materials.
Write whether the given materials are hard or soft.
| Wood | Eraser | Cotton |
| ______ | ______ | ______ |
Sort the given objects as rough or smooth.
| Wet soap | Coir | Feather | Stone |
| ______ | ______ | ______ | ______ |
| Glass ball | Paperboard | Sand paper | Plastic spoon |
| ______ | ______ | ______ | ______ |
A piece of wood floats on water.
Choose the odd one:
Match the substances in Column A with their applications given in Column B.
|
Column A |
Column B |
| (a) oxygen | (i) for making crackers |
| (b) copper | (ii) for disinfecting water |
| (c) sulphur | (iii) all living beings inhale during breathing |
| (d) iron | (iv) for making electric wires |
| (e) chlorine | (v) for making rails |
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.
While doing an activity in class, the teacher asked Paheli to handover a transluscent material. Which among the following materials will Paheli pick and give her teacher?
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 |
