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प्रश्न
Bases are soapy to touch when they are dry.
पर्याय
True
False
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उत्तर
Bases are soapy to touch when they are dry- false.
Correct statement:
Bases are soapy to touch only in aqueous media, not in dry nature.
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संबंधित प्रश्न
What do you understand by an alkali?
Main constituent of base is ______.
Bases are ______ in taste.
Give the significance of pH of soil in agriculture.
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.
What is the role of toothpaste in the prevention of tooth decay?
The nature of toothpaste commonly used is ______ in nature.
Al(OH)3 & Zn(OH)2 are not alkalis.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
A basic oxide.
