更多cobaltous例句

1. Bromine water is a convenient agent for oxidizing cobaltous to cobaltic ions (see Chapter XV).
2. Cobaltous hydroxide, Co(OH)2, is formed when a cobaltous salt is precipitated by caustic potash in the absence of air.
3. It is readily soluble in warm dilute mineral acids forming cobaltous salts.
4. It dissolves in acids forming cobaltous salts, and on exposure to air it rapidly absorbs oxygen, turning brown in colour.
5. For the action of ammonia on the cobaltous salts in the presence of air see Cobaltammines (below).