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प्रश्न
Pick five objects from the word box given as figure which are opaque and would sink in water.
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उत्तर
Five objects in the puzzle that are opaque and would sink in water are:
- Coin
- Pen
- Stone
- Eraser
- Coal
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संबंधित प्रश्न
Give scientific reason.
We must observe the economy in the use of materials.
Match the objects given below with the materials from which they could be made. Remember, an object could be made from more than one material and a given material could be used for making many objects.
| Objects | Materials |
| Book | Glass |
| Tumbler | Wood |
| Chair | Paper |
| Toy | Leather |
| Shoes | Plastics |
An iron nail is kept in each of the following liquids. In which case would it lose its shine and appear dull?
Which among the following are commonly used for making a safety pin?
Find the odd one out from the following.
Mixtures of red chilli powder in water, butter in water, petrol in water, and honey in water were given to Radha, Sudha, Sofia and Raveena, respectively. Whose mixture is in solution form?
On a bright sunny day, Shikha was playing hide and seek with her brother. She hid herself behind a glass door. Do you think her brother will be able to locate her. If yes, why? If no, why not?
Take a small cotton ball and place it in a tumbler/bowl filled with water. Observe it for atleast 10 minutes. Will it float or sink in water and why?
