Saved Bookmarks
| 1. |
An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be:(a) calcium (b)carbon(c)silicon (d)iron |
|
Answer» Pure calcium oxide or lime, is an amorphous white solid, having a high melting point (2273K). When lime is added to water, a hissing sound is produced and a large amount of heat is generated. Cao + H2O------> Ca(OH)2 + Heat |
|