Advertisements
Advertisements
प्रश्न
Match the following.
| Iron | For making wires |
| Copper | Sewing needle |
| Tungsten | As a fuel for ignition in rocket |
| Boron | Making the filament of a bulb |
जोड़ियाँ मिलाइएँ
Advertisements
उत्तर
| Iron | Sewing needle |
| Copper | For making wires |
| Tungsten | Making the filament of a bulb |
| Boron | As a fuel for ignition in rocket |
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Name the elements present in Washing soda
State four differences between compounds and mixtures.
Explain the term compounds.
Give the example of a compound containing hydrogen and oxygen.
Tabulate a comparative chart – to differentiate between elements, compounds, and mixtures. Differentiate them with reference to Separation of compound
Assertion: Air is a compound.
Reason: Air consists of carbon dioxide.
Classify the following as element and compound,
- Silver
- Ammonia
- Water
- Mercury.
Complete the table
| Compound | Constituent elements |
| Sodium carbonate | Sodium, Carbon. Oxygen |
| Water | |
| Calcium oxide | |
| Sugar | Carbon, Hydrogen, Oxygen |
Higher-Order Thinking questions:
Why is water considered a compound?
The other name for potassium hydroxide is caustic potash.
