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प्रश्न
Find the odd one.
Umbrella, sponge, rain coat, jerkin
उत्तर
Sponge.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Question:
Why do we need to group materials? Give one reason.
Look at the pictures and identify the materials by which they are made of:
(paper, clay, glass, wood, plastic, metal rubber, wax
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| ____________ | ____________ | ____________ | ___________ | _____________ |
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| ____________ | ____________ | ____________ | ____________ | ____________ |
Select those objects from the following which shine:
Glass bowl, plastic toy, steel spoon, cotton shirt
Sugar does not dissolve in water.
Choose the odd one:
Name some examples for shiny materials?
Differentiate hard and soft materials.
Match the substances in Column A with their applications given in Column B.
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Column A (Substance) |
Column B (Application) |
| (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 |
Fill in the blanks to complete the following paragraph.
The name of the product formed in the reaction of sulphur and ______ is sulphur dioxide gas. When sulphur dioxide is dissolved in ______, sulphurous acid is formed. The sulphurous acid turns ______ litmus paper to ______. Generally, oxides of ______ are acidic in nature.
After completing the paragraph, write two questions which you can raise on the basis of this information.
Which of the following materials is not lustrous?
