1. "Silver"
2. "Copper"
3. "Silicon"
4. "Carbon"
Silicon
"1. "K K Rowling"
2. "K J Rowling"
3. "J K Rowling"
4. "A K Rowling"
J K Rowling
"1. "of its low density"
2. "It is not very reactive under normal conditions"
3. "It is almost insoluble in water"
4. "It can be prepared easily"
of its low density
"1. "Silicon"
2. "Aluminium"
3. "Nitrogen"
4. "Oxygen"
Oxygen
"1. "On the directions of the Party"
2. " On account of amicable settlement with the British"
3. "On account of violent incidents at Chauri-Chaura"
4. "On account of excessive repression by the Government"
On account of violent incidents at Chauri-Chaura
"1. "Equator"
2. "0° Longitude"
3. "88° East Longitude"
4. "180° Longitude"
180° Longitude
"1. "Cotton"
2. "Wool"
3. "Rayon"
4. "Polyester"
Cotton
"1. "Vitamin A"
2. "Vitamin B"
3. "Vitamin C"
4. "Vitamin D"
Vitamin D
"1. " Param"
2. "Super 301"
3. "Compaq Presario"
4. "CRAY YMP"
Param
"1. "Once in every year"
2. "When the moon is full"
3. "When the moon passes between the sun and the earth"
4. "When earth comes between the sun and the moon"
When the moon passes between the sun and the earth
"