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प्रश्न
Which of the following is not a base?
पर्याय
NaOH
KOH
NH4OH
C2H5OH
उत्तर
C2H5OH
Explanation -
Ethyl alcohol (C2H5OH) is not a base. It is an alcohol and is very weakly acidic in nature.
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संबंधित प्रश्न
Give one example in the following case:
A base which is not an alkali.
Salts are neutral.
Write the balanced equation for the reaction of:
A named acid and a named alkali.
Look at Figure 5.1 which shows solutions taken in test tubes A, B, C and D. What colour is expected when a piece of red litmus paper is dropped in each test tube? The nature of the solutions is given in the table for your help.
| Test tube | Nature of Solution | Change in colour of red litmus |
| A | Neutral | |
| B | Basic | |
| C | Acidic | |
| D | Neutral |
Water-soluble bases are called ______.
Match the following:
| 1. | Wasp sting | a. | Milk of magnesia |
| 2. | Common salt | b. | Acetic acid |
| 3. | Organic acid | c. | Sodium chloride |
| 4. | Antacid | d. | Vinegar |
Water-soluble bases are called ______.
______ alkali has a relatively high percentage of alkali in its aqueous solution.
Al(OH)3 & Zn(OH)2 are not alkalis.
One of the events that does not occur during photosynthesis is ______.
