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प्रश्न
Give one example in the following case:
A base which is not an alkali.
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उत्तर १
Ferric hydroxide
उत्तर २
Copper hydroxide [Cu(OH)2]
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is highly soluble in water.
Give one example in the following case:
A hydroxide which is insoluble in water.
Metal corrodes due to salts.
State the term defined by the following sentence:
A soluble base.
Match the important chemicals given in Column (A) with the chemical formulae given in Column (B)
| Column (A) | Column (B) |
| (a) Plaster of Paris | Ca(OH)2 |
| (b) Gypsum | CaSO4. 1/2 H2O |
| (c) Bleaching Powder | CaSO4.2H7O |
| (d) Slaked Lime | CaOCl2 |
State whether the following statement is true or false. Correct the false statement.
Lime water turns red litmus blue.
Phenolphthalein gives ______ colour with lime water.
What is the role of toothpaste in the prevention of tooth decay?
What are bases?
Bases ionise in water to form ______ ions.
