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प्रश्न
Write the balanced equation for the reaction of:
A named acid and a named alkali.
उत्तर
\[\ce{\underset{Alkali}{NaOH} + \underset{Acid}{HCl}-> NaCl + H2O}\]
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संबंधित प्रश्न
Give one example in the following case:
A hydroxide which is insoluble in water.
Oxides of metals are acidic in nature.
State the term defined by the following sentence:
A soluble base.
All bases are alkalis.
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 |
Phenolphthalein gives _________ colour with lime water.
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 |
Which of the following solution is soapy to touch?
Which of the following solutions do not conduct electricity?
______ alkali has a relatively high percentage of alkali in its aqueous solution.
