Advertisements
Advertisements
प्रश्न
Why is diamond clear and hard while graphite is soft?
टिप्पणी लिखिए
Advertisements
उत्तर
Carbon atoms in diamond are bonded in a strong tetrahedron pattern making it hard and clear whereas carbon atoms in graphite are bonded in weak covalent bonds making it soft and black.
shaalaa.com
Rock and it's Types
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Differentiate between SIAL and SIMA.
Classify the following rocks by selecting the correct option given below:
coal
State the chief characteristics of metamorphic rocks.
What are metamorphic rocks?
Find the difference between:
Igneous and sedimentary rocks
______ rocks are also called Primary rocks.
Mention some uses of rocks.
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
